A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Take over your uncle's struggling back-alley PC cafe and grow it into the best in the country
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
KR
Pricing model
Freemium
Free
Pricing
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)
Free with optional ads
Key features
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
Place gaming seats, ramen counters and vending machines
Hire part-time staff to manage the cafe
Strategic placement affects shop profits
Six stages of growth from back alley to nationwide brand
Staff continue working while app is closed
Play offline
Game speed control up to 3x
Optional rewards through ads
What makes it different
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
Progress-based storytelling with six distinct growth stages
Fully playable offline with staff continuing to work in background
Culturally authentic Korean setting in neighborhood PC cafe
Cosmos Era
PC방 키우기 (Internet Cafe: Idle Tycoon)