# Best Old-School Renaissance (OSR) TTRPGs

OSR games emphasize rulings, dangerous exploration, player ingenuity, resource pressure, and worlds that are not balanced around the characters. The category fits when old-school procedure shapes how problems are approached.

## Guide

OSR games emphasize rulings, dangerous exploration, player ingenuity, resource pressure, and worlds that are not balanced around the characters. The category fits when old-school procedure shapes how problems are approached.

## Games

- [Knave RPG](https://www.ttrpg-games.com/item/knave) - Rank #1. Knave is a classless OSR fantasy RPG by Ben Milton that uses fast character creation, slot-based inventory, and old-school problem solving. It is especially useful for groups that want D&D-adjacent dungeon adventure without fixed classes or heavy character builds.
- [ShadowDark](https://www.ttrpg-games.com/item/shadowdark) - Rank #7. Shadowdark RPG rejuvenates traditional tabletop RPGs by blending old-school elements with modern mechanics for a fast-paced and intuitive gameplay experience. The game emphasizes real-time mechanics, with torches that burn out after an hour of game time, adding urgency to exploration and combat. Character development is dynamic, with randomized abilities and a simple yet strategic system for tracking distances, initiative, and spell-casting. The absence of darkvision and the use of treasure for experience points encourage deep engagement with the game's dungeon-crawling adventures.
- [Old-School Essentials](https://www.ttrpg-games.com/item/oldschoolessentials) - Rank #8. Old-School Essentials is a role-playing game that revitalizes the classic Basic/Expert rules from the 1980s, offering a meticulously organized and easy-to-use system that's both new player-friendly and deeply satisfying for veterans. It features a modular design that is fully compatible with decades of old-school content, supporting a wide array of adventures and settings. The game focuses on simplicity and flexibility, encouraging creative storytelling and exploration.
- [Mörk Borg](https://www.ttrpg-games.com/item/morkborg) - Rank #78. Mörk Borg is a doom metal-inspired tabletop RPG characterized by its dark, apocalyptic fantasy setting and horror elements. This rules-light game prioritizes narrative depth and atmospheric gameplay, featuring streamlined mechanics that enable fast-paced, intense sessions.
- [Stars Without Number RPG](https://www.ttrpg-games.com/item/starswithoutnumber) - Rank #1003. Stars Without Number is a sandbox science-fiction RPG built for sector exploration, faction play, and player-driven campaigns. It blends old-school procedures with fast character creation, starship rules, and some of the strongest GM worldbuilding tools in sci-fi tabletop roleplaying.
- [Adventurer Conqueror King System](https://www.ttrpg-games.com/item/adventurer-conqueror-king-system) - A comprehensive OSR system that spans the complete hero's journey from dungeon delver to domain ruler. Features detailed economic simulation, stronghold construction, and mass combat rules that let characters grow from adventurers to conquerors to kings.
- [Basic Fantasy RPG](https://www.ttrpg-games.com/item/basic-fantasy) - Basic Fantasy RPG is a rules‑lite, B/X‑inspired fantasy game with ascending AC and race‑class separation. Classless-feeling flexibility and low prep make it easy to teach and run. Ideal for quick delves and sandbox campaigns where rulings and resource pressure matter more than build complexity.
- [Bastards. (Pearlescent Edition)](https://www.ttrpg-games.com/item/bastards-pearlescent) - Bastards. is a rules‑lite OSR fantasy game using straightforward d20 tests and saves. Classless, low‑prep, it emphasizes quick, dangerous dungeon delves and rulings‑over‑rules play. Ideal for one‑shots and short campaigns with improvisational, fiction‑first tables.
- [Best Left Buried](https://www.ttrpg-games.com/item/best-left-buried) - Best Left Buried is a rules‑lite fantasy horror about desperate cryptdiggers braving lethal, resource‑starved dungeons. Using simple d20 tests and three core attributes, play moves fast while stress, scars, and dwindling light drive tense survival choices. Classless, low‑prep, and exploration‑driven—ideal for gritty crawls and short, high‑stakes sessions.
- [Beyond the Wall](https://www.ttrpg-games.com/item/beyond-the-wall) - A zero-prep OSR fantasy RPG inspired by Earthsea and The Prydain Chronicles. Character playbooks generate complete backstories, relationships, and bonds in minutes through lifepath tables. Scenario packs enable GM-less preparation for one-shots or short campaigns with thematic magic and village-based adventure.
- [Blueholme](https://www.ttrpg-games.com/item/blueholme) - Blueholme is a rules-lite OSR retroclone of Holmes Basic D&D (1977), extending the beloved blue book from levels 1-20. With unified d6 damage, simple species-as-class flexibility, and streamlined dominion rules, it captures early D&D's exploratory spirit while remaining accessible to newcomers. Perfect for groups seeking lightweight fantasy with classic pedigree.
- [Broken Shores](https://www.ttrpg-games.com/item/broken-shores) - Broken Shores is a rules-lite dark fantasy survival RPG using d100 resolution. Classless and exploration-driven, it emphasizes scavenging, crafting, and desperate survival in a drowned world. Ideal for solo or group play, hex-crawl exploration, and fans of brutal post-apocalyptic settings.
- [Cairn 2e](https://www.ttrpg-games.com/item/cairn-2e) - Cairn 2e is a classless fantasy adventure RPG in the Into the Odd and Knave lineage. It uses simple saves, inventory-driven characters, and clear Warden procedures for dangerous exploration in strange woods, ruins, and wilderness routes.
- [Castaway](https://www.ttrpg-games.com/item/castaway-2) - Castaway is a rules-lite shipwreck survival horror RPG compatible with Mörk Borg. Stranded on a hostile island, players must manage exposure, craft shelter, hunt, and gather while facing mysterious encounters. Classless and brutal, it emphasizes resource scarcity and environmental danger over combat. Ideal for fans of Robinson Crusoe with a grim OSR twist.
- [Castles & Crusades](https://www.ttrpg-games.com/item/castlescrusades) - Castles & Crusades immerses players in a nostalgic world of high adventure, monsters, and magic inspired by classic fantasy literature. With its streamlined rules, emphasis on player creativity, and adaptable gameplay, this game offers a flexible and engaging roleplaying experience that harkens back to the roots of the tabletop RPG genre.
- [Cthulhu Hack](https://www.ttrpg-games.com/item/cthulhuhack) - Cthulhu Hack is a rules-lite investigative horror game that pares Lovecraftian mystery down to d20 saves, usage dice, and mounting pressure. It keeps the focus on dread, bad options, and dangerous curiosity, making it a strong pick for one-shots or short campaigns where atmosphere matters more than crunchy procedure.
- [Deathbringer](https://www.ttrpg-games.com/item/deathbringer) - Deathbringer is a grimdark fantasy RPG kit by Professor Dungeon Master that compresses character creation, combat, and spellcasting into a fast, lethal chassis compatible with 5e material and OSR adventures. It is built for harsh dungeons, quick rulings, and short arcs where every fight feels costly.
- [Delving Deeper](https://www.ttrpg-games.com/item/delving-deeper) - Delving Deeper is a faithful OD&D retroclone that recreates the original 1974 D&D experience with three core classes: Fighting Man, Magic-User, and Cleric. Uses d6-based mechanics, Chainmail-inspired combat options, and emphasizes dungeon exploration. Free PDF rules make it accessible for experiencing RPG history.
- [Dolmenwood](https://www.ttrpg-games.com/item/dolmenwood) - Dolmenwood is a fantasy RPG built on Old-School Essentials, set in a lavishly detailed world inspired by British folklore and fairy tales. Features unique Kindreds like goat-headed Breggles and cat-fairy Grimalkin, nine distinct classes, and a 200-hex sandbox campaign setting. A complete game blending dark whimsy with perilous old-school adventure.
- [Down We Go](https://www.ttrpg-games.com/item/down-we-go) - Down We Go is a rules‑lite OSR dungeon crawler using familiar d20 and d6 rolls. Classless, low‑prep, it focuses on quick delves, risky decisions, and treasure‑driven progression in the shifting city of Infinopolis. Ideal for one‑shots, convention tables, or drop‑in campaigns.
- [Dungeon Crawl Classics](https://www.ttrpg-games.com/item/dungeoncrawlclassics) - Dungeon Crawl Classics is a throwback to old-school dungeon-crawling adventures, where players plunge into deadly dungeons filled with traps, monsters, and untold treasures. With its emphasis on unpredictability, brutal challenges, and a chaotic, unpredictable magic system, the game offers a challenging and retro-inspired experience that harkens back to the early days of tabletop roleplaying.
- [DURF](https://www.ttrpg-games.com/item/durf) - DURF is a rules‑lite OSR dungeon‑fantasy game using d20 tests with advantage/disadvantage. Classless and low‑prep, it emphasizes quick character creation, risky combat, and simple exploration procedures. Ideal for one‑shots, convention tables, or fast campaigns wanting rulings‑over‑rules.
- [Electric Bastionland](https://www.ttrpg-games.com/item/electric-bastionland) - Electric Bastionland is a rules‑lite OSR game of dangerous expeditions in a strange industrial city and its depths. Classless characters, quick d20 saves, and no to‑hit rolls keep turns fast and consequences sharp. Inventory and odd relics do the heavy lifting—ideal for low‑prep, exploration‑driven play.
- [Errant](https://www.ttrpg-games.com/item/errant) - Errant is a rules-light, procedure-heavy OSR fantasy RPG by Ava Islam. Featuring a roll high under core mechanic, it provides extensive procedures for downtime activities, chases, commerce, and more. Freely compatible with Knave, Into the Odd, and The Black Hack, with conversion guides for 5e included.
- [Five Torches Deep](https://www.ttrpg-games.com/item/five-torches-deep) - Five Torches Deep is a rules‑lite dungeon‑adventure game that marries 5e familiarity with OSR grit. Encumbrance, light, and supply pressure matter; classes stay simple; combat is quick and decisive. It favors rulings over build math and rewards clever logistics and cautious exploration for fast, low‑prep sessions.
- [For Gold & Glory](https://www.ttrpg-games.com/item/for-gold-and-glory) - For Gold & Glory is a faithful retroclone of AD&D 2nd Edition, consolidating the Player's Handbook, DMG treasure sections, and Monster Manual into a single comprehensive tome. It preserves the classic THAC0 system, percentile skills, and race-class combinations while cleaning up ambiguities through decades of community playtesting. Perfect for those seeking authentic 2e nostalgia without tracking down vintage books.
- [Frontier Scum](https://www.ttrpg-games.com/item/frontier-scum) - Frontier Scum is a rules‑lite acid‑western OSR game about wanted outlaws scraping by on the Lost Frontier. Classless, fast to run, and low‑prep, it uses simple saves and brutal consequences to push hard choices. Ideal for quick heists, bounty jobs, and gritty survival sessions.
- [Hyperborea](https://www.ttrpg-games.com/item/hyperborea) - Hyperborea transports players to a mythical land inspired by pulp literature, blending elements of sword and sorcery with Lovecraftian horror. Key features include a detailed hex map for exploration, a class-less character creation system, and a fast-paced combat system that emphasizes strategy and teamwork. What sets Hyperborea apart is its fusion of diverse genres, allowing players to embark on epic adventures in a rich, immersive world unlike any other.
- [Into the Odd (Remastered)](https://www.ttrpg-games.com/item/into-the-odd-remastered) - Into the Odd (Remastered) is a rules‑lite OSR dungeon‑adventure in a grim industrial world. Classless characters, quick d20 saves, and lethal combat push bold choices over build math. Arcana—odd relics with unpredictable powers—fuel discovery. It’s low‑prep, fast to teach, and ideal for tense, exploration‑forward play.
- [Knave Second Edition Review (2023): Is It Worth the Upgrade?](https://www.ttrpg-games.com/item/knave-second-edition) - The ultimate GM toolkit for OSR play. Classless, slot-based inventory creates meaningful gear decisions while 75+ generators produce dungeons, factions, cities, and monsters. Compatible with 50 years of D&D modules.
- [Labyrinth Lord](https://www.ttrpg-games.com/item/labyrinth-lord) - Labyrinth Lord is a faithful retroclone of 1981 Moldvay Basic/Cook Expert D&D, preserving the classic B/X experience. Seven classic classes include clerics casting at first level, with progression extended to 20th level. THAC0 combat and race-class combinations ensure compatibility with decades of OSR modules for nostalgic dungeon crawls.
- [Lamentations of the Flame Princess](https://www.ttrpg-games.com/item/lamentations-of-the-flame-princess) - Lamentations of the Flame Princess is a weird fantasy horror RPG built on B/X D&D mechanics with streamlined rules and a unique Specialist class. Known for its heavy metal aesthetic and dark adventures, it emphasizes survival over heroism in a hostile world where magic is dangerous and unpredictable. A free version is available for newcomers to try.
- [Liminal Horror](https://www.ttrpg-games.com/item/liminal-horror) - Liminal Horror is a modern investigative horror RPG descended from Into the Odd and Cairn. Fast saves, Stress, and Fallout keep cases tense while the rules stay light enough for one-shots, short campaigns, and strange occult mysteries.
- [Lion & Dragon](https://www.ttrpg-games.com/item/lion-dragon) - A Medieval Authentic OSR RPG that strips away anachronisms for historically grounded fantasy. Features a rigid feudal social system, gritty combat, and magic based on real historical grimoires rather than high fantasy tropes.
- [Low Fantasy Gaming](https://www.ttrpg-games.com/item/lowfantasygaming) - Low Fantasy Gaming immerses players in a gritty, realistic world filled with danger and intrigue, where survival is not guaranteed and every choice has consequences. With its streamlined ruleset, focus on character customization, and deadly combat mechanics, the game offers a challenging and immersive experience that pushes players to think tactically and adapt to the ever-changing landscape of low fantasy settings.
- [Macchiato Monsters](https://www.ttrpg-games.com/item/macchiato-monsters) - Macchiato Monsters is a rules‑lite OSR game using roll‑under ability tests and Risk dice for gear and attrition. Classless and low‑prep, it focuses on exploration, creative problem‑solving, and fast, deadly encounters. Ideal for one‑shots, open tables, and players who like rulings‑over‑rules.
- [Maze Rats](https://www.ttrpg-games.com/item/mazerats) - Maze Rats is a rules‑lite OSR fantasy game using 2d6 tests and swingy, lethal outcomes. Classless and low‑prep, it leans on brilliant random tables for spells, monsters, and adventures, pushing quick rulings and creative problem‑solving. Ideal for one‑shots, convention slots, and fast‑moving sandbox sessions.
- [Mutant Crawl Classics](https://www.ttrpg-games.com/item/mutant-crawl-classics) - Mutant Crawl Classics is a post-apocalyptic, OSR-inspired game of deadly expeditions into ancient ruins. Class-based and swingy, it uses d20-style saves and character funnels to forge resilient survivors. Low prep and exploration-driven, it emphasizes scavenging, resource management, and hard choices in a lethal wasteland.
- [Neoclassical Geek Revival](https://www.ttrpg-games.com/item/neoclassical-geek-revival) - An innovative OSR RPG by Zzarchov Kowolski featuring the unique Pie Piece class system, Luck Points instead of hit points, and Schrödinger's Character creation where you build your hero through play. Supports hijinks, social conflict, and creative problem-solving.
- [OSE Advanced Fantasy](https://www.ttrpg-games.com/item/ose-advanced-fantasy) - OSE Advanced Fantasy is a rules-lite OSR retroclone expanding Classic Fantasy with Advanced D&D options. Race-class separation, additional classes, and expanded magic bring 1E depth to B/X simplicity. Modular, clean presentation makes it ideal for players wanting classic complexity without the cruft.
- [OSRIC](https://www.ttrpg-games.com/item/osric) - OSRIC (Old School Reference and Index Compilation) is the pioneering AD&D 1e retroclone that launched the OSR movement. It faithfully reproduces the underlying rules of late 1970s fantasy gaming using the Open Gaming License, providing a complete 400+ page rulebook with character classes, spells, monsters, and treasure. Free PDFs and print editions available.
- [Other Dust](https://www.ttrpg-games.com/item/other-dust) - Other Dust is a rules-lite post-apocalyptic RPG set on the Tomb World of Earth, centuries after civilization's collapse. Using familiar OSR mechanics compatible with Stars Without Number, it emphasizes sandbox exploration, enclave building, and survival in a world of mutants and ancient ruins. Class-based and GM-driven, it provides extensive tools for emergent wasteland campaigns.
- [Pirate Borg](https://www.ttrpg-games.com/item/pirate-borg) - Pirate Borg is a dark fantasy pirate RPG about cursed seas, undead threats, and fast, filthy adventure on a doomed black ocean.
- [Primal Quest - Essentials](https://www.ttrpg-games.com/item/primal-quest) - Primal Quest – Essentials is a rules‑lite stone‑and‑sorcery RPG. Classless and fast to teach, it uses straightforward d20 tests with tight resource play to drive tense, survival‑forward exploration. Low‑prep and table‑ready, it’s ideal for gritty hexcrawls, emergent sandboxes, and convention one‑shots.
- [Searchers of the Unknown](https://www.ttrpg-games.com/item/searchers-of-the-unknown) - Searchers of the Unknown is a rules‑lite OSR micro‑game that runs classic dungeons with a single‑line character stat block. Classless, near‑zero prep, it resolves actions fast and leans on rulings over rules. Ideal for one‑shots, convention tables, and introducing new players to old‑school play.
- [Shadow of the Weird Wizard](https://www.ttrpg-games.com/item/shadowoftheweirdwizard) - A streamlined fantasy RPG refining Shadow of the Demon Lord’s mechanics, Shadow of the Weird Wizard swaps horror for heroic adventure. With old-school simplicity and modern polish, it’s perfect for quick, engaging campaigns. Players explore a vibrant world with accessible rules, avoiding the crunch of bigger systems. Released in 2024, it’s gaining fans fast.
- [Sharp Swords & Sinister Spells](https://www.ttrpg-games.com/item/sharp-swords-sinister-spells) - A rules-lite OSR RPG built for sword-and-sorcery adventures in the tradition of Robert E. Howard and Conan. Features a unified d20 roll-under mechanic, three archetypes with customizable vocations and background complications, plus dangerous magic that risks corruption on failure. Character creation is fast and includes Luck Dice that degrade with misfortune. Combat emphasizes agility and armor damage reduction. Pay-what-you-want pricing makes this an excellent entry point for OSR newcomers.
- [Silent Titans](https://www.ttrpg-games.com/item/silent-titans) - A surreal OSR campaign setting where players explore the dreaming minds of sleeping Titans to steal their Golden Thoughts. Built on Into the Odd mechanics, featuring five non-Euclidean dungeons, time travel, and Escher-like artwork by Dirk Detweiler Leichty.
- [SURVIVE THIS!! Zombies – Ultimate Edition](https://www.ttrpg-games.com/item/survive-this-zombies-ultimate-edition) - SURVIVE THIS!! Zombies is a rules‑lite OSR modern horror game using d20 tests and class‑based play. Low‑prep and modular, it focuses on tense resource management, scavenging, and desperate choices during outbreaks. Ideal for gritty one‑shots or ongoing campaigns about surviving the worst day of your life.
- [Swords & Wizardry](https://www.ttrpg-games.com/item/swords-and-wizardry) - Swords & Wizardry is Mythmere Games' retro-clone of Original D&D, rebuilt as a complete old-school fantasy RPG with modern usability. It keeps dungeon exploration, high-stakes combat, classic classes, Vancian magic, and broad compatibility with OSR adventures, while offering conveniences like ascending AC and a unified saving throw.
- [Tales of Argosa](https://www.ttrpg-games.com/item/tales-of-argosa) - Tales of Argosa is a low-fantasy adventure RPG built for dangerous exploration, rough-edged heroism, and sandbox play with old-school pressure and modern usability.
- [The Black Hack](https://www.ttrpg-games.com/item/theblackhack) - The Black Hack is a rules-light tabletop RPG that harkens back to the old-school style of fantasy roleplaying, focusing on fast-paced, deadly combat and streamlined mechanics. With its emphasis on player creativity and improvisation, The Black Hack offers a thrilling and challenging experience that rewards clever tactics and quick thinking. This game stands out for its simplicity and flexibility, making it a perfect choice for those looking for a classic dungeon-crawling experience with a modern twist.
- [The Black Hack (2nd Edition)](https://www.ttrpg-games.com/item/the-black-hack-2e) - The Black Hack 2e is a rules‑lite OSR fantasy game with player‑facing, roll‑under ability tests. Classless and low‑prep, it emphasizes quick rulings, armor-as-soak, and usage dice for resources. Ideal for one‑shots, convention play, and fast-start sandbox campaigns where speed and table rulings matter more than build math.
- [The Black Sword Hack](https://www.ttrpg-games.com/item/theblackswordhack) - The Black Sword Hack offers players a gritty and visceral experience set in a dark and dangerous world where ancient evils lurk. With its streamlined rules and focus on fast-paced combat, the game encourages players to immerse themselves in a brutal and unforgiving fantasy setting, where every decision carries weight and consequences are never far behind. Its unique blend of old-school sword and sorcery elements and modern game design make it a thrilling and intense tabletop experience for those seeking a challenging and immersive roleplaying adventure.
- [The Hero's Journey](https://www.ttrpg-games.com/item/the-heros-journey) - The Hero's Journey is a rules-lite OSR fantasy RPG built on Swords & Wizardry White Box. Class-based and designed for new players, it blends classic D&D sensibilities with modern clarity. Emphasizing heroic low-fantasy inspired by fairy tales and timeless fantasy literature, it offers accessible character creation and straightforward mechanics ideal for introducing beginners to old-school play.
- [Torchbearer](https://www.ttrpg-games.com/item/torchbearer) - A survival-focused dungeon crawler where light, food, and supplies deplete constantly. Players must balance risk versus reward as they explore dangerous ruins, with mechanics that emphasize the physical toll of adventuring. Every decision matters when your torch is burning down and you are low on rations.
- [Tunnel Goons](https://www.ttrpg-games.com/item/tunnel-goons) - Tunnel Goons is a rules-lite dungeon-delving game using 2d6 contests against a target number. Classless and ultra-low-prep, it emphasizes rulings-over-rules, risky exploration, and quick combats. Ideal for one-shots, convention tables, and pick-up campaigns with new or casual players.
- [Ultraviolet Grasslands](https://www.ttrpg-games.com/item/ultraviolet-grasslands) - Ultraviolet Grasslands is a psychedelic metal RPG of heroes on a strange trip through mythic steppes. Players lead a caravan across vast distances, trading, exploring weird locations, and seeking lost time and broken space. Features streamlined OSR mechanics, caravan management, and 250 pages of evocative art and random tables.
- [Vast Grimm](https://www.ttrpg-games.com/item/vast-grimm) - Vast Grimm is a rules‑lite sci‑fi horror game powered by Mörk Borg’s chassis. Classless, lethal, and fast to run, it focuses on grim survival, scavenging, and desperate missions against parasitic würms. Ideal for one‑shots or short campaigns where resource management and hard choices drive play.
- [Veins of the Earth](https://www.ttrpg-games.com/item/veins-of-the-earth) - Veins of the Earth is a rules-lite OSR setting sourcebook for Lamentations of the Flame Princess. Compatible with any old-school system, it presents a terrifying Underdark where light is currency and survival is uncertain. Features 50+ original monsters, procedural cave generation, and revolutionary darkness mechanics. Dense, poetic, and utterly unique.
- [Whitehack](https://www.ttrpg-games.com/item/whitehack) - Whitehack is a rules-light tabletop roleplaying game that combines old-school charm with modern game design. Its key features include a flexible, classless character creation system, an emphasis on player-driven storytelling, and a streamlined approach to combat and exploration. What sets Whitehack apart is its innovative use of mechanics that encourage creative problem-solving and improvisation, making for a dynamic and engaging gameplay experience.
- [Whitehack (Fourth Edition)](https://www.ttrpg-games.com/item/whitehack-2) - Whitehack is a rules‑lite, classless OSR fantasy game that marries old‑school tempo with modern clarity. Built to run decades of modules, it emphasizes fast rulings, resource‑aware exploration, and creative problem‑solving over build math—ideal for one‑shots or lean sandboxes that value speed and consequence.
- [Wolves of God: Adventures in Dark Ages England](https://www.ttrpg-games.com/item/wolves-of-god) - Wolves of God is a rules-lite OSR RPG set in 710 AD Dark Ages England. Players take on roles of Warriors, Saints, and Galdormen navigating a brutal post-Roman landscape. With class-based characters, Christian miracle-working, sorcerous galdor, and extensive sandbox tools, it emphasizes survival, exploration, and grim heroism in a low-magic historical setting.
- [Worlds Without Number](https://www.ttrpg-games.com/item/worlds-without-number) - Worlds Without Number is a sandbox fantasy RPG by Kevin Crawford, featuring extensive world-building tools and GM support. Compatible with Stars Without Number, it offers sword and sorcery heroes, faction systems, and robust hex-crawl mechanics. The free version provides complete rules for budget-conscious gamers.