After the Blast Post-Apocalyptic;Survival;Rules Lite;Exploration-Driven;Quick-Play

At-a-glance: Post-Apocalyptic Survival • 2d6 + Stat • 2–5 + GM • Low prep • Rules-Lite • 2–4h sessions

Theme and Setting

Centuries after nuclear war scorched the earth, survivors eke out existence among shattered cities, radioactive wastes, and roaming mutants. The world blends retro-future technology with desperate scavenging—vault dwellers emerge into blinding sunlight while wastelanders fight over pre-war scraps. Factions war for territory, ancient machines hum with dangerous energy, and every shadow might hide something hungry or mutated.

Core Mechanics and Rules

Resolution uses 2d6 + relevant stat against target numbers set by the GM. Characters choose from archetypes like Vaultborn, Wastelanders, Raiders, Ghouls, and Mercenaries—each with unique starting gear and background hooks. The Radiation & Mutation System adds risk to exploration: exposure triggers mutation rolls that grant strange powers at physical and mental costs. Combat is quick and deadly, favoring tactics and resourcefulness over character durability. The included hex-crawl tools let GMs generate ruins, hazards, and faction territories on the fly.

What Makes It Unique

The mutation system creates memorable character arcs as players weigh the benefits of psychic abilities or physical adaptations against creeping corruption. The print-and-play format keeps barriers low—one page for characters, simple reference tables, and no required miniatures. Faction rules encourage emergent storytelling as player actions ripple through the wasteland's fragile power structures.

Target Audience and Player Experience

Perfect for groups seeking Fallout-style adventures without crunchy rules. Beginners appreciate the straightforward mechanics while veterans enjoy the sandbox freedom. Sessions work as tense one-shots or evolving campaigns where the wasteland itself becomes a character. Best for players who enjoy resource scarcity, moral compromises, and discovering ancient secrets buried in radioactive ruins.

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What do players think?

A rules-light post-apocalyptic RPG with streamlined 2d6 mechanics. Players praise its quick character creation and mutation system, though some note the rules are minimal and GM-dependent. Ideal for Fallout-inspired one-shots and hex-crawl campaigns.

Related TTRPG Games

Compare After the Blast with other great ttrpg games.

Fallout logo

Fallout

Fallout brings a licensed post-apocalyptic world with established lore and crunchier combat using the 2d20 system. After the Blast offers more flexible homebrew wasteland creation with lighter mechanics and faster character creation.

Mutant: Year Zero logo

Mutant: Year Zero

Mutant: Year Zero shares the post-apocalyptic mutant theme but uses a deeper zone-based hex-crawl with base-building mechanics. After the Blast streamlines the experience for quicker sessions with less bookkeeping.

Death in Space logo

Death in Space

Death in Space applies similar lightweight survival principles to a sci-fi horror void setting. Both feature quick character creation, deadly environments, and emergent storytelling—After the Blast stays earthbound with radioactive mutations while Death in Space drifts through derelict spacecraft.

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