A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Create online quizzes and custom trivia games for parties, celebrations, and team events
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
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: Build and test unlimited quizzes with up to 5 live players or 5 self-paced submissions. Premium: $19 per quiz to unlock for up to 200 players with no subscription.
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
Ready-made question templates with AI generation
Customizable themes, colors, and typography
Live and self-paced play modes
No account or app required to join
Presenter mode for TV or projector display
Real-time leaderboards and scoring
Create from phone, unlimited questions
Password protection for self-paced quizzes
Image support with Premium plan
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
Pay once per quiz with no subscription or recurring fees
Test unlimited quizzes for free with up to 5 players
Works on any device with a browser; no app download needed
Host from your phone while hosting or presenting anywhere
AI-generated starter questions to build quizzes faster
Cosmos Era
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