Single-player games like ONE (1) WORLD
Below are 8 single-player Steam games similar to ONE (1) WORLD, 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 ONE (1) WORLD page.
Ranked picks
- 1

Frog Island
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Indie and Simulation with ONE (1) WORLD.
Start your new life as a caretaker for an island of frogs in this cozy creature-collector! Build your dream island, discover magical wildlife, and uncover the island's many hidden secrets, to try and piece together the past life you've somehow forgotten.
- 2

Potion Brew: Co-op
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Simulation with ONE (1) WORLD.
You need this game to forget about your life cares and become the best alchemist of this fantasy world with your friends! An alchemy shop keeper game offers you to brew potions for your customers, loot the ingredients in the forest, trade with sellers and compete with rivals.
- 3

Timber Life
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Simulation and RPG with ONE (1) WORLD.
Build and customize your homestead of timber, crops, and animals, while you manage the eco diversity of a small town. Go off exploring and foraging in the woods while evading predators. Craft goods and get to know the local townsfolk in this wholesome and cozy farming life sim.
- 4

My Time at Portia
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Indie and Adventure with ONE (1) WORLD.
Start a new life in the enchanting town of Portia! Restore your Pa's neglected workshop to its former glory by fulfilling commissions, growing crops, raising animals, and befriending the quirky inhabitants of this charming post-apocalyptic land!
- 5

My Time at Sandrock
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Indie and Adventure with ONE (1) WORLD.
Travel to the desert community of Sandrock and take on the role of a fledgling Builder. Use your trusty toolset to gather resources, construct machines, and turn your run-down workshop into a well-oiled production facility to save the town from the jaws of economic ruin!
- 6

Immortal Life
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Adventure and Simulation with ONE (1) WORLD.
Embark on a magical journey in this captivating life simulation game. Escape to a welcoming valley, farm with spells, and master skills like fishing, crafting, and cooking. Engage in epic battles, strengthen the bonds with your companions, and build your dream home to achieve Immortal Life!
- 7

Luma Island
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Indie and Adventure with ONE (1) WORLD.
Get ready to explore, farm, fish, mine, craft, and raise magical Lumas as you solve puzzles and embark on quests across Luma Island. Play solo, or team up with friends in 1-4 player online co-op. Choose relaxing Cozy, challenging Adventure, or epic Hero mode to match your mood and playstyle.
- 8

Farm Together 2
Single-player alternative to ONE (1) WORLD — playable solo, no multiplayer required. Shares Indie and Simulation with ONE (1) WORLD.
Grow your own farm all by yourself, or cooperate with your friends in the long awaited sequel to the cozy, relaxing farming experience!