EVEN OR ODD 1
"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!
66.7Rating
0Content
90Achievements
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About This Game
EVEN OR ODD 1 is a action/casual game designed for single-player, developed by Fermat Freaks co., Ltd and released in 2026. Community ratings across Steam average 66.7/100 — a mixed reception overall. Players commonly describe it as RPG, Action, Action RPG, Roguelike and Action Roguelike.
Media
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User Reviews
66.7
Overall Score / 100
6.7/10
Steam (3 reviews)
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Game Information
Release Date
June 28, 2026
Developer
Fermat Freaks co., Ltd
Publisher
Fermat Freaks co., Ltd
Platforms
Windows
Price
Free to Play
Analytics & Metrics
Free to Play Analytics Unavailable
VISE and VRI models are built on purchase-based data and do not apply to free-to-play titles.
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System Requirements
🪟 Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i3 / AMD Ryzen 3
- Memory: 4 GB RAM
- Graphics: DirectX 12 compatible GPU (1GB VRAM)
- DirectX: Version 12
- Storage: 6 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10/11 64-bit
- Processor: Intel Core i5 / AMD Ryzen 5
- Memory: 8 GB RAM
- Graphics: DirectX 12 compatible GPU (2GB VRAM)
- DirectX: Version 12
- Storage: 6 GB available space
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