Choose Idle Monkey Theorem
Choose Idle Monkey Theorem if you want an Indie experience. Idle Monkey Theorem launched in 2026.
Idle Monkey Theorem vs Unlucky Day
Idle Monkey Theorem and Unlucky Day both land in Casual on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Casual games on Steam. Both released in 2026. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Unlucky Day
Choose Unlucky Day if it matches what drew you to this matchup. Unlucky Day launched in 2026.
Both Idle Monkey Theorem and Unlucky Day sit in Casual on Steam and both list Playable without Timed Input, Mouse Only Option, and Save Anytime, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Idle Monkey Theorem |  Unlucky Day | |
|---|---|---|
| Released | 2026 | 2026 |
| Genres | Indie, Casual | Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 1.99 USD |
| Steam reviews | — | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Ozymandias | Maple Teach |
Side by side
- Both are Casual games on Steam.
- Both released in 2026.
Idle Monkey Theorem vs Unlucky Day — FAQ
- Are Idle Monkey Theorem and Unlucky Day similar?
- They overlap on Casual on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.