A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free to play with first 10 packs included. Optional WikiCoin and Premium purchases available.
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
Open card packs with 10 random Wikipedia articles
Six rarity tiers based on article view counts
Create and publish personal card collections
Complete thematic albums with automatic card matching
Community voting on published collections
Trade cards with other players
Free packs regenerate over time up to capacity
Multiple pack types including Gold and Legendary packs
Card details link to source Wikipedia articles with attribution
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
Built around the entire English Wikipedia catalog
Independent from Wikipedia and Wikimedia Foundation
Community-driven collection showcase and voting system
Free forever core gameplay without premium requirement
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
WikiCollector
Cosmos Era