About
"Even? Odd? Forget the math!" Enter the Collatz Conjecture—mathematics' greatest unsolved mystery—reimagined as a high-speed roguelike action game. Play as "Ichi," the muscle-brained magical girl, teleporting between lanes to smash back incoming numbers with charge shots!
Pre-release · Steam · App 4495530
EVEN OR ODD 1
Fermat Freaks co., Ltd
Genres
ActionCasualIndieRPGStrategyFree To Play
ActionCasualIndieRPGStrategyFree To Playview more (+6)
Categories
Single-playerSteam AchievementsSteam CloudFamily Sharing
Single-playerSteam AchievementsSteam CloudFamily Sharingview more (+4)
Player tags
RPGActionAction RPGRoguelikeAction RoguelikeCasualStrategy2DAnimePixel GraphicsControllerCombatHack and SlashFree to PlayIndiePerma DeathSingleplayer
RPGActionAction RPGRoguelikeAction RoguelikeCasualStrategy2DAnimePixel GraphicsControllerCombatHack and SlashFree to PlayIndiePerma DeathSingleplayerview more (+17)
Followers
8
+0 · 1d
Wishlists est
177
Price
Free
Release
Coming soon
tba
28 snapshots· cumulative· 4 carried
+4 (+100.0%)
DayFollowersΔΔ %WishlistsΔΔ %
Jun 25, 2026800.0%17700.0%
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May 28, 20264——91——
Tracked since May 6, 2026·Details 8h ago·Followers 11m ago