Single-player games like Harbor Captain
Below are 11 single-player Steam games similar to Harbor Captain, 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 Harbor Captain page.
Ranked picks
- 1
Ferry Good Day
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation with Harbor Captain.
Set sail and bring your passengers to their destination. In this relaxing boat simulation you explore different maps, plan your routes and ensure your reliable arrival at port. Utilize currents, locks and catch fish to experience the best possible journey with your ferry.
- 2
Sinking Simulator: Legacy
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation and Casual with Harbor Captain.
The original Sinking Simulator from 2013 A fun lightweight Sandbox game focused on creating ships and wrecking them using soft body physics!
- 3
God of Failure
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation with Harbor Captain.
Defend your castle from the orcish chavs, lure them into your traps and destroy them.
- 4
Flip TD - Tower Defense
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Casual with Harbor Captain.
Flip Tower Defense on it's head in Flip TD. Flip your world upside down to defend with towers, upgrades, modifiers, powers, and more. Build custom worlds with the in-game world builder and share them online to compete for high scores in the community leaderboards.
- 5
Protect My Cheese
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Casual with Harbor Captain.
A stunning and chaotic tower defense strategy game where we play as cats to defeat the cheese-hungry rats. Survive against waves of enemies and guard the cheese.
- 6
Port Trader
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation and Casual with Harbor Captain.
Incremental game about trading goods between ports. Buy and sell to earn profit. Upgrade ships, increase port capacity, optimize production rate, hire new captains, automate your trading and grow your merchant empire.
- 7
ELARIENNE
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation and Casual with Harbor Captain.
ELARIENNE is a defense game built on meticulous calculation and hardcore strategy. A single stroke of luck may shift the tide, but it is the carefully constructed strategy that ultimately decides the battle. Withstand relentless waves and protect the heart of the world of ELARIENNE.
- 8
BoomTown! Deluxe
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation and Casual with Harbor Captain.
An explosive combination of mining sim and city builder. Your dream of building your own thriving town starts with few explosive charges and a yellow truck. As you mine the landscape and the money starts to roll in you'll be able to expand your empire, buying buildings, shops and facilities.
- 9
Doomsday Tower Defense
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation and Casual with Harbor Captain.
Challenging tower defense game with 20 levels. Can be completed under 2-3 hours. Kill zombies in a doomsday vibe. Discover your own strategy to beat the horde. No fluff, no story, no BS.
- 10
Port Shipping Tycoon
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation and Casual with Harbor Captain.
Flip tiles to grow your shipping empire. A relaxing maritime logistics idle game.
- 11
Trebuchet Simulator
Single-player alternative to Harbor Captain — playable solo, no multiplayer required. Shares Simulation with Harbor Captain.
Physics simulator where you control a Trebuchet to launch rocks at castles. Adjust arm length, projectile mass, pivot height, release angle and base angle to maximize damage.