Choose Outside the Blocks
Choose Outside the Blocks if you want an Indie and Casual experience. Outside the Blocks launched in 2025.
Outside the Blocks vs CastleOn
Outside the Blocks and CastleOn both land in Simulation 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 Simulation games on Steam. Outside the Blocks (2025) is 1 year older than CastleOn (2026). Outside the Blocks is Deck Unsupported on Steam Deck; CastleOn has no Deck rating yet. 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 CastleOn
Choose CastleOn if you want a Strategy game with Playable without Timed Input and Adjustable Difficulty. CastleOn launched in 2026.
Both Outside the Blocks and CastleOn sit in Simulation on Steam and both list Adjustable Text Size, Camera Comfort, and Custom Volume Controls, 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
 Outside the Blocks |  CastleOn | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Indie, Simulation, Casual | Strategy, Simulation |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 14.99 USD | Price unknown |
| Steam reviews | 89.1% positive (110 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Michał Kubas | Lord Castleon |
Side by side
- Both are Simulation games on Steam.
- Outside the Blocks (2025) is 1 year older than CastleOn (2026).
- Outside the Blocks is Deck Unsupported on Steam Deck; CastleOn has no Deck rating yet.
Outside the Blocks vs CastleOn — FAQ
- Should I play Outside the Blocks or CastleOn first?
- If you want chronology, Outside the Blocks (2025) came out before CastleOn (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 Outside the Blocks and CastleOn similar?
- They overlap on Simulation 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.