Magic: The Gathering rules, cards, and tools reference with live prices and format guides
A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Stage
Not given
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
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
Daily updated card prices
Rules citations with official rule numbers
Curated staple card lists by function
Format metagame information
Full decklists with reasoning
Product value analysis
Rules glossary with interactions
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
Combines card databases with expert analysis on the same page
All content completely free with no paywall or signup required
Pages stay current with visible last-updated dates
Official rule citations for verification
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
MTGHQ
Cosmos Era