EVEN OR ODD 1

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"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!

Developer: Fermat Freaks co., Ltd
Released: 28 Jun 2026
Price: Free to play
Platforms

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Players on Steam, last 48 hours

No player readings for EVEN OR ODD 1 in the last 48 hours yet. We poll this game every 30 days.

How this is measured

Player counts over time, as we observed them.

Counts people running the game through Steam only. Players on other stores, consoles or launchers are not included.
We poll the busiest games every 15 minutes and quiet ones as rarely as once a month, so a short spike between polls can be missed. Each game shows how often it is polled.
Our player history starts on 19 October 2026. Earlier peaks, including launch peaks, are not in our data.

Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology

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Month	Average	Change	Change %	Peak
November 2026Nov 2026 (so far) (from 3 Nov)	0	0	—	0
October 2026Oct 2026 (from 25 Oct)	0	—	—	0

Month	Average	Change	Change %	Peak
November 2026Nov 2026 (so far) (from 3 Nov)	0	0	—	0
October 2026Oct 2026 (from 25 Oct)	0	—	—	0

EVEN OR ODD 1

Players on Steam, last 48 hours

EVEN OR ODD 1

Players on Steam, last 48 hours

Players By Month

Players By Month