A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Social prediction markets platform where you can predict news, sports, crypto and politics with friends using free play-money
Stage
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Founded
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Based in
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CY
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)
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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
Prediction markets on sports, politics, crypto, finance and other categories
Daily Drop quiz game mode
Ladder game mode (double-or-nothing)
Tournaments
Leaderboard rankings
Community-created markets
Mobile apps for iOS and Android
Real-time probability tracking
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
Free to play with no real money required
Social gameplay with duels and leagues
Multiple game modes including Daily Drop and Ladder games
Cosmos Era
Problyx