Choose X-Plane 11
Choose X-Plane 11 if you want the Multi-player, Shared/Split Screen PvP, and PvP side of the pairing. 8,762 Steam reviews back the pick.
X-Plane 11 vs Outerra World Sandbox
X-Plane 11 and Outerra World Sandbox 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. X-Plane 11 is Deck Playable on Steam Deck; Outerra World Sandbox 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 Outerra World Sandbox
Choose Outerra World Sandbox if you want an Adventure and Casual experience. On Steam, it's a focused single-player run rather than a multiplayer commitment.
Both X-Plane 11 and Outerra World Sandbox sit in Simulation on Steam and both list Tracked Controller Support and VR Supported, 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
 X-Plane 11 |  Outerra World Sandbox | |
|---|---|---|
| Released | 2017 | — |
| Genres | Simulation | Adventure, Simulation, Casual |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 29.99 USD | Price unknown |
| Steam reviews | 92.2% positive (8,762 reviews) | — |
| Multiplayer | Multi-player | Single-player only |
| Developers | Laminar Research | Outerra |
Side by side
- Both are Simulation games on Steam.
- X-Plane 11 is Deck Playable on Steam Deck; Outerra World Sandbox has no Deck rating yet.
X-Plane 11 vs Outerra World Sandbox — FAQ
- Are X-Plane 11 and Outerra World Sandbox 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.
- Does Outerra World Sandbox have multiplayer like X-Plane 11?
- No. X-Plane 11 supports multiplayer on Steam (Multi-player), while Outerra World Sandbox is listed as single-player only.
- Does X-Plane 11 run on Steam Deck?
- Yes — X-Plane 11 is rated Deck Playable by Valve. Outerra World Sandbox doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.