Single-player games like SpacePorts
Below are 8 single-player Steam games similar to SpacePorts, 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 SpacePorts page.
Ranked picks
- 1
Net Worthless
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
A satirical life-and-money sim. One turn is one month: budget your hours, work the job, ride the market, outlive inflation and your own decisions. Pick a character and make their dream come true. Or at least don't die trying.
- 2
OIL.EXE
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
Drill the wells. Run the refinery. Read the market. OIL is a free text-based simulation of running a petroleum operation, played at a 1980s green-phosphor terminal. End each year richer or bankrupt. Mind the bear market. Climb the leaderboard.
- 3
UFO98
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
Defy the government, leak top-secret alien telemetry, and wake up the world… inside an isolated Win98 workstation.
- 4
Knightfall Idle
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
Knightfall Idle is a medieval idle RPG made by Gibber. Gather, process, trade, and fight across 10 skills while your kingdom runs in the background. Join a Fief, raid bandit camps, compete in seasonal leagues, or stay in the permanent realm. 450+ passive tree nodes. Free to play.
- 5
Incremental Orbits
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
A short and relaxing incremental management game where you run your own space company, discover planets, launch satellites and make a ton of money.
- 6
Water Polo Manager 2026
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
Build a water polo club from the office to the pool deck. Manage tactics, transfers, scouting, training, finances, match days, and long-term squad development in an offline single-player sports management simulation.
- 7
The Machine Stops
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Indie with SpacePorts.
Make everyone obsolete with AI by managing resources on a Matrix-style interface. Grow the Machine in this fast-paced, challenging game.
- 8
Trimps
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
A text-based incremental idle game with a ridiculous amount of unique content. Automate old stuff as you unlock new stuff to keep things interesting for hours and hours, no spam clicking necessary! Trimps is everything you love about your favorite games, distilled to their purest form.