Single-player games like Harpooner
Below are 8 single-player Steam games similar to Harpooner, 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 Harpooner page.
Ranked picks
- 1
Fishcremental
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Strategy and Indie with Harpooner.
Fishcremental is a ridiculously cozy underwater adventure where you catch super cute fish, discover game-changing upgrades, and fill the whole sea with satisfying firework glory.
- 2
HordeFall
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Action and Strategy with Harpooner.
A bulletheaven x incremental game that runs as a desktop companion in the corner of your screen! While you work, your hero automatically fights thousands of enemies. Unlock upgrades and manage your economy, attributes, and spells. Your screen is your battlefield - minimal space, maximum progress!
- 3
Angler's Journey
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Indie and Simulation with Harpooner.
This idle clicker demands you battle for every catch, from small fry to mighty bosses. Arm yourself with diverse weapons; unlock powerful skills and constant upgrades to complete your massive fish collection.
- 4
Loopquarium
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Action and Strategy with Harpooner.
Loopquarium is an aquarium roguelite where you assemble a school of fish with unique abilities to repel invading apex predators. Start with a group of guppies, grow your population, and balance predator and prey to discover insane combos every run.
- 5
ORE x TRACTOR
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Strategy and Casual with Harpooner.
ORE x TRACTOR is a short, incremental game about demolishing space rocks with a variety of weaponry.
- 6
Hex Core
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Action and Strategy with Harpooner.
Hex Core is a short, incremental clicker-style defense game where you help PeteOS hold back waves of viruses until you can wipe them out for good. Spend resources to unlock a huge spread of upgrades, new mechanics, weapons, and research.
- 7
The Fishercat
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Action and Casual with Harpooner.
Cats love fish so much, they started fishing.
- 8
Gemtide
Single-player alternative to Harpooner — playable solo, no multiplayer required. Shares Indie and Casual with Harpooner.
Explore the depths of the sea while collecting gems for adorable critters on your way down in this cozy incremental adventure.