A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Free NFL playoff bracket maker, predictor, and Super Bowl squares tool
Stage
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Founded
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Based in
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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
Make playoff picks by clicking teams to choose winners
Rename any seed in the bracket
Share brackets via URL without accounts
Printable NFL playoff brackets
Super Bowl squares grid for pools
Playoff picture with current standings and seeds
Playoff scenarios page for what-if testing
Friends playoff pool with leaderboard scoring
Load current seeds from public standings
Reset to chalk to restore starting seeds
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
Completely free with no accounts, paywalls, or clutter
Fan-made project built specifically for clean, printable brackets
No login required; brackets stay in shared links
Seeds load from current public standings automatically
Privacy-respecting with no personal data collection
Cosmos Era