Single-player games like Outerra World Sandbox
Below are 9 single-player Steam games similar to Outerra World Sandbox, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Outerra World Sandbox page.
Ranked picks
- 1
Resonite
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Casual with Outerra World Sandbox.
Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here.
- 2
Combat Air Patrol 2: Military Flight Simulator
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Adventure with Outerra World Sandbox.
Feel the power of flying the AV8B Harrier II. A middle ground flight and naval combat simulator with mission planner & fully dynamic open ended campaign. Showstopping VR.
- 3
GG Land
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Casual with Outerra World Sandbox.
GG Land is the ultimate game dev experience. Build your dream game in minutes with our intuitive level builder and no-code logic creation tool, challenge friends in multiplayer mode, and explore others creations!
- 4
VR Fighter Jets War
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Adventure and Simulation with Outerra World Sandbox.
This is a VR immersive flight shooting game with exquisite and gorgeous graphics. The overall environment is mainly based on aerial combat. High-fidelity sound effects provide players with a different shooting experience.
- 5
DCS World Steam Edition
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Simulation with Outerra World Sandbox.
Feel the excitement of flying the Su-25T "Frogfoot" attack jet and the TF-51D "Mustang" in the free-to-play Digital Combat Simulator World!
- 6
X-Plane 12
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Simulation with Outerra World Sandbox.
Ultra-Realistic Flight Simulation
- 7
X-Plane 11
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Simulation with Outerra World Sandbox.
The future of flight simulation is now! X-Plane 11 is the detailed, realistic, and modern simulator you’ve been waiting for. Intuitive user interface, 3-D cockpits, new effects, 3-D sound, living airports and world-wide scenery.
- 8
Warplanes: WW1 Fighters
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Simulation with Outerra World Sandbox.
Become a pilot! Immerse in WW1 aerial combat like never before in a captivating VR experience. Be a pilot during the Great War in Warplanes: WW1 Fighters. No matter whether you prefer arcade games or flight simulators – a variety of options will let you adjust the game to your preferences.
- 9
B-17 Flying Fortress The Bloody 100th
Single-player alternative to Outerra World Sandbox — playable solo, no multiplayer required. Shares Simulation with Outerra World Sandbox.
Manage and take control of the 10-man crew of a B-17 Flying Fortress as they attempt to complete 25 harrowing missions inspired by the real-life battles of The Bloody 100th Bomber group.