# 24XX

24XX is a rules‑lite sci‑fi toolkit SRD: pick a die, roll high, keep play fast, and favor clear fictional positioning over build math. Classless, ultra‑hackable, and ideal for one‑shots or quick campaigns, it powers 2400’s lo‑fi modules but adapts to any genre.

## At a Glance

Science Fiction • Needs GM • 2/5 complexity • One-shot friendly • None prep

## Why It Fits

A strong fit for groups that want science-fiction ideas to shape the actual play experience, with classless helping define the experience.

## Fit Facts

- Players: 2-5 players + GM
- Session length: 60-120 minutes
- Prep: None

## Facets

- Genres: Science Fiction
- Mechanics: Classless, Rules Lite
- Decision tags: Low Prep

## Scores

- Complexity: 2/5
- New GM Fit: 5/5
- Roleplay Focus: 3/5
- Combat Focus: 2/5
- Tactical Depth: 1/5
- Campaign Depth: 4/5

## Best For

- Players who want science-fiction ideas to shape the actual play experience
- Tables that want quick onboarding and low mechanical drag
- Long-form campaigns with room for the table to build momentum

## Avoid If

- You want denser mechanical crunch or build complexity
- You want the system to stay almost invisible at the table
- You want a much breezier tone than this game is built to support

## Directory Notes

Resolution favors clarity and speed: roll the indicated dice, take the best result, and move on. Difficulty tweaks are minimal, keeping arithmetic low and pacing high.

## Theme and Setting

Character concepts are classless; gear and tags do the heavy lifting. Procedures emphasize rulings over rules , with oracles and prompts standing in for subsystems.

## How Play Feels

Fail‑forward outcomes, advantage/disadvantage style tweaks, and concise clocks/complications keep scenes moving. 24XX is built to publish : it ships with a plain‑text SRD, layout templates (Affinity/InDesign), a Google Slides version, and a CC‑BY logo for compatibility marks.

## What Makes It Distinct

You want denser mechanical crunch or build complexity You want the system to stay almost invisible at the table. You want denser mechanical crunch or build complexity You want the system to stay almost invisible at the table.

## Where It May Not Fit

You want denser mechanical crunch or build complexity You want the system to stay almost invisible at the table.

## Links

- Directory page: https://www.ttrpg-games.com/item/24xx
- Agent JSON: https://www.ttrpg-games.com/api/games/24xx.json
- Publisher or official site: https://jasontocci.itch.io/24xx?ac=YUqaLN4pVvG
- Reviews or retailer page: https://www.drivethrurpg.com/browse/pub/17901/Pretendo-Games/subcategory/36753_37221/2400?affiliate_id=1659151