Choose Horizon Sandbox
Choose Horizon Sandbox if you want the Multi-player, HDR available, and Camera Comfort side of the pairing.
Horizon Sandbox vs 30 Days On Ship: Castaway – The First Days
Horizon Sandbox and 30 Days On Ship: Castaway – The First Days both land in Action, Indie, 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 share Action, Indie, Simulation on Steam. 30 Days On Ship: Castaway – The First Days is free; Horizon Sandbox is paid (Price unknown). 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 30 Days On Ship: Castaway – The First Days
Choose 30 Days On Ship: Castaway – The First Days if you want an Adventure and Free To Play game with Adjustable Difficulty and Save Anytime. On Steam, it's free to play, so the barrier to trying it is zero. 30 Days On Ship: Castaway – The First Days launched in 2026.
Both Horizon Sandbox and 30 Days On Ship: Castaway – The First Days sit in Action, Indie, and Simulation on Steam and both list DualShock Controller Support, DualSense Controller Support, 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
 Horizon Sandbox |  30 Days On Ship: Castaway – The First Days | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Indie, Simulation, Casual | Action, Indie, Adventure, Simulation, Free To Play, Casual |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Free to play |
| Steam reviews | — | — |
| Multiplayer | Multi-player | Single-player only |
| Developers | Horizon Software | Madnetic Games S.A. |
Side by side
- Both share Action, Indie, Simulation on Steam.
- 30 Days On Ship: Castaway – The First Days is free; Horizon Sandbox is paid (Price unknown).
Horizon Sandbox vs 30 Days On Ship: Castaway – The First Days — FAQ
- Are Horizon Sandbox and 30 Days On Ship: Castaway – The First Days similar?
- They overlap on Action, Indie, 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.
- Does 30 Days On Ship: Castaway – The First Days have multiplayer like Horizon Sandbox?
- No. Horizon Sandbox supports multiplayer on Steam (Multi-player), while 30 Days On Ship: Castaway – The First Days is listed as single-player only.
- Is 30 Days On Ship: Castaway – The First Days free?
- Yes — 30 Days On Ship: Castaway – The First Days is a free-to-play Steam title. Horizon Sandbox is paid (Price unknown).