A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Free
Freemium
Pricing
Not given
Free with no ads; optional Supporter: $2.99/mo, $19.99/yr, or $29.99 lifetime; time crystal packs: $1.99 (Skip a night), $4.99 (Skip a wall), $9.99 (Skip a week)
Key features
Click ducks to earn in-game currency (Ducket$)
Autoducker for passive income generation
Purchase upgrades to increase earnings
Customize duck with clothing and accessories
Catch floating bonus ducks for rewards
Achievement system with unlockable rewards
Automatic game progression saving
Mobile and desktop responsive design
13.8 billion year cosmic timeline from Big Bang to interstellar civilization
118 sourced research cards with scientific citations
12 game eras spanning Cosmos, Life and Civilization
16 different endings
12 civilization channels inspired by science fiction and real concepts
Playable on phone, desktop and iPad with cloud save sync
Installable on phone home screen for offline play
No ads and completely free to play
1,400+ nodes each grounded in real science with sources
Physics-accurate simulation where 1 light-year equals 1 real hour
What makes it different
Educational gameplay that teaches math, strategic thinking, and resource management
No downloads or installations required
Passive income through Autoducker even when away
Suitable for all grade levels
Every scientific claim cites real sources with year, researcher and publication
Hard sci-fi design where physics and signal times follow real scientific laws
Completely free with no ads, payment optional and never pay-to-win
Invented game lore clearly separated and labeled apart from real science basis
Curated collection of 24+ open-source astronomy, physics and biology projects
Cosmos Era