Choose The True Slime King
Choose The True Slime King if you want an Action game with Color Alternatives, Camera Comfort, and Custom Volume Controls. The True Slime King launched in 2023.
The True Slime King vs Up to the Unknown
The True Slime King and Up to the Unknown both land in Indie, Adventure 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, Adventure on Steam. Both released in 2023. Up to the Unknown is currently ~10% cheaper on Steam than The True Slime King (8.99 USD vs. 9.99 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 Up to the Unknown
Choose Up to the Unknown if you want a Strategy experience. Up to the Unknown launched in 2023.
Both The True Slime King and Up to the Unknown sit in Indie and Adventure on Steam, 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 True Slime King |  Up to the Unknown | |
|---|---|---|
| Released | 2023 | 2023 |
| Genres | Action, Indie, Adventure | Strategy, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 8.99 USD |
| Steam reviews | 7 reviews | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Josh Penn-Pierson | Averous Arex |
Side by side
- Both share Indie, Adventure on Steam.
- Both released in 2023.
- Up to the Unknown is currently ~10% cheaper on Steam than The True Slime King (8.99 USD vs. 9.99 USD).
The True Slime King vs Up to the Unknown — FAQ
- Are The True Slime King and Up to the Unknown similar?
- They overlap on Indie, Adventure 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.