Single-player games like Kaiju Harvest
Below are 8 single-player Steam games similar to Kaiju Harvest, 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 Kaiju Harvest page.
Ranked picks
- 1

Swarm Idle
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie and Simulation with Kaiju Harvest.
Swarm Idle is a prestige idle/incremental game where you command an alien queen and her swarm: devour 100 cities, develop eight lineages, optimize your Mutations, and progress even while offline until the whole Earth is ravaged.
- 2

Fellwood
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie and Simulation with Kaiju Harvest.
Build a wild fantasy lumber empire that bombards a forest across the valley with axes, ballistas, cannons, and magic. Harvest flying logs, stack absurd upgrades, and automate your way to unstoppable woodcutting power.
- 3

Meeple Incremental
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie and Simulation with Kaiju Harvest.
Roll dice to move Meeples around the board and collect money, skill points, and capsule tickets. Unlock unique skills and minigames, powerful collectibles, and automate dice rolls to increase your income.
- 4

Bills Must Be Paid
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie and Simulation with Kaiju Harvest.
You're broke, smash piggy banks, bills must be paid. A short active incremental game. Get money, upgrade, and get debt free!
- 5

Hole Is Mine
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie and Simulation with Kaiju Harvest.
Hole Is Mine is an incremental adventure about purifying a divine Hole. Dive inside and launch your Mini'Ohs to mine for you. Extract impurities, upgrade your power, and find hidden secrets to grow the Village, customizing your Mini'Ohs with incredible powers. The Hole has spoken!
- 6

IGNOBLE
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie with Kaiju Harvest.
Destroy enemies and harvest blood, bones, and marrow to grow stronger, unlock forbidden skills, and wipe out the Ignoble tyrants who dare threaten your master.
- 7

Garbage Growth
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Indie and Simulation with Kaiju Harvest.
Garbage Growth is a short incremental trash game about collecting people's trash, bananas and even babies, to make money and pollute the world even more. Hire rats, grow your pollution, and make everything worse!
- 8

Sludgineers
Single-player alternative to Kaiju Harvest — playable solo, no multiplayer required. Shares Simulation and Casual with Kaiju Harvest.
Clean, mine and refine pollution in this active incremental game. Cruise through the countryside earning cash and resources, build a refinery, process materials, upgrade equipment, unlock new areas and complete quests.