Deterministic anime trading-card game with real card ownership on Hive blockchain
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
Free trial
Freemium
Pricing
Free to start with in-game account. $1 packs available. SGC redeemable at $0.001 per SGC redemption floor.
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
Deterministic seeded-RNG combat engine with byte-identical replays
Draft 7-card team across 8 affinities and 15 alien races
84 dynamic rulesets that reshape the battlefield
On-chain card ownership and player-driven market
Ranked ladder with league-scaled rewards from Bronze to Champion
Guild system with cooperative weekly brawls and shared colony
Free in-game account without requiring external wallet
Hand-painted kinetic card art across eight affinities
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
Provably fair: every match is deterministic and replays byte-identically to verify fairness yourself
Skill and smart drafting matter more than wallet size or spending
True card ownership on-chain with real trading market
Product-backed currency with guaranteed redemption floor
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
Stellarch
Cosmos Era