Choose The Mysterious Thief; Forget Me Not
Choose The Mysterious Thief; Forget Me Not if you want the Subtitle Options and Adjustable Difficulty side of the pairing. The Mysterious Thief; Forget Me Not launched in 2025.
The Mysterious Thief; Forget Me Not vs Battle Live! The Idol School Collection
The Mysterious Thief; Forget Me Not and Battle Live! The Idol School Collection both land in Indie, Simulation, 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 share Indie, Simulation, Casual on Steam. The Mysterious Thief; Forget Me Not (2025) is 1 year older than Battle Live! The Idol School Collection (2026). Battle Live! The Idol School Collection is free; The Mysterious Thief; Forget Me Not is paid (8.99 USD). 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 Battle Live! The Idol School Collection
Choose Battle Live! The Idol School Collection if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Battle Live! The Idol School Collection launched in 2026.
Both The Mysterious Thief; Forget Me Not and Battle Live! The Idol School Collection sit in Indie, Simulation, and Casual on Steam and both list Adjustable Text Size, Custom Volume Controls, and Playable without Timed Input, 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
 The Mysterious Thief; Forget Me Not |  Battle Live! The Idol School Collection | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Indie, Simulation, Casual | Indie, Simulation, Free To Play, Casual |
| Platforms | Windows, Linux | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 8.99 USD | Free to play |
| Steam reviews | 100% positive (10 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | solarProtag | solarProtag |
Side by side
- Both share Indie, Simulation, Casual on Steam.
- The Mysterious Thief; Forget Me Not (2025) is 1 year older than Battle Live! The Idol School Collection (2026).
- Battle Live! The Idol School Collection is free; The Mysterious Thief; Forget Me Not is paid (8.99 USD).
The Mysterious Thief; Forget Me Not vs Battle Live! The Idol School Collection — FAQ
- Should I play The Mysterious Thief; Forget Me Not or Battle Live! The Idol School Collection first?
- If you want chronology, The Mysterious Thief; Forget Me Not (2025) came out before Battle Live! The Idol School Collection (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are The Mysterious Thief; Forget Me Not and Battle Live! The Idol School Collection similar?
- They overlap on Indie, Simulation, 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.
- Is Battle Live! The Idol School Collection free?
- Yes — Battle Live! The Idol School Collection is a free-to-play Steam title. The Mysterious Thief; Forget Me Not is paid (8.99 USD).