KOSMOS: A SCI-FANTASY TTRPG

KOSMOS

A Fast Sci-Fantasy RPG of Blades, Blasters, and Mystic Power

A fast sci-fantasy tabletop RPG where you survive dangerous worlds, fight alien threats, and carve your legend among the stars.

All you need is 2d6, paper, and a crew ready for trouble.

What is KOSMOS?

KOSMOS is a rules-light sci-fantasy RPG built for fast, cinematic play.

You take on the role of a capable individual — mercenary, mystic, hunter, bot, or alien - trying to survive and shape your place in a hostile cosmos.

No heavy rules. No long prep.
Just action, danger, and meaningful choices.

Core Features

• Fast, player-facing 2d6 system
• Archetype-based characters that define how you play
• Species that shape your instincts and identity
• Quick character creation (play in minutes)
• Talents that customize your playstyle
• Mystic powers fueled by willpower
• Brutal, decisive combat
• Simple Usage & Consume system for gear
• Flexible credit-based economy
• Aliens, raiders, machines, and cosmic threats

Character Creation (Fast & Flexible)

Create your character in minutes:

• Assign your Abilities
• Choose your Species
• Pick an Archetype (how you survive danger)
• Select 3 Talents
• Optionally gain Mystic Powers
• Grab your gear and go 

Every character follows the same structure — simple, flexible, and fast.

What You Do in KOSMOS

• Hunt alien creatures across hostile worlds
• Explore abandoned stations and ruins
• Take dangerous contracts you’re not ready for
• Fight, negotiate, or survive against impossible odds
• Use mystic powers that bend reality
• Make choices that actually matter

Inside the Book

• Core rules
• Character creation (Species, Archetypes & Talents)
• Mystic powers
• Weapons, armour, and gear 
• Credits, economy, and scarcity
• Combat & recovery
• Advancement
• Alien & enemy roster

Tone & Playstyle

KOSMOS sits between:

• pulp sci-fi adventure
• cosmic mysticism
• rules-light, OSR-style play

It’s fast, dangerous, and flexible — built to let stories emerge naturally at the table.

Who is this for?

• Players who want fast, low-prep games
• GMs who run on rulings, not rules
• Fans of sci-fi, aliens, and weird worlds
• Anyone tired of heavy, complex systems

License

Released under CC BY 4.0.
Free to use, modify, and share with credit.