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

My Business
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
My Business is the first realistic game in which you have to become a business shark.
- 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 game where you discover planets, launch satellites and make a ton of money.
- 6

A Very Simple Idle Game
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Indie with SpacePorts.
Idle game with a twist: reward grows while you wait and resets with each purchase. 6 upgrades, 3 currencies, prestige and super upgrades. Simple but deep.
- 7

Galactic Economy
Single-player alternative to SpacePorts — playable solo, no multiplayer required. Shares Strategy and Indie with SpacePorts.
Your road to financial freedom leads to the stars. Acquire strategic sectors, manage complex loans, and mitigate systemic risks to grow your passive income. A gritty sci-fi tycoon strategy game where every decision determines your path to galactic domination.
- 8

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.