Single-player games like Moonstone Island
Below are 15 single-player Steam games similar to Moonstone Island, 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 Moonstone Island page.
Ranked picks
- 1
Coral Island
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and Adventure with Moonstone Island.
Coral Island is a vibrant, laid-back farm sim reimagined with multiplayer! Experience enchanting island life at your own pace: farm with friends, nurture animals, build relationships, hang out with a diverse cast of characters, and dive into the magical Merfolk Kingdom.
- 2
The Ranchers
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and Adventure with Moonstone Island.
The Ranchers is an open world country-life sim for 1-4 players. Raise animals, grow tasty crops, craft helpful tools and build your dream house. Explore the open world and earn the villagers' respect and esteem.
- 3
Research Story
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and RPG with Moonstone Island.
Set out to discover and record plants and creatures for the Violet Archive. Grow crops, tame animals, and build the perfect farm! Forge friendships along the way as you begin your life as a researcher!
- 4
Stardew Valley
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and RPG with Moonstone Island.
You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?
- 5
Fields of Mistria
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and RPG with Moonstone Island.
Start your new life! Build the farm of your dreams as you discover a world brimming with possibilities. Magic, romance, and adventure all await you in this nostalgic farming / life sim RPG!
- 6
Littlewood
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and Adventure with Moonstone Island.
The world has already been saved. Now it's time to rebuild your town, learn new hobbies, and forge lifelong friendships in this peaceful and relaxing RPG.
- 7
My Time at Portia
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and Adventure with Moonstone Island.
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!
- 8
Super Zoo Story
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and RPG with Moonstone Island.
Build and manage your own personal zoo in the pixel marvel RPG, Super Zoo Story. Construct your park, care for your animals, and ensure the happiness of both critters and humans alike. Maybe even find that special someone while building the zoo of your dreams!
- 9
Slay the Spire
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie with Moonstone Island.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
- 10
Cassette Beasts
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and RPG with Moonstone Island.
Collect awesome monsters to use during turn-based battles in this open-world RPG, now with online multiplayer mode. Combine any two monster forms using Cassette Beasts’ Fusion System to create unique and powerful new ones!
- 11
The Legend of Heroes: Trails of Cold Steel
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares RPG with Moonstone Island.
At Thors Military Academy, Erebonia’s best learn everything from the art of war to liberal arts. First year Rean Schwarzer learns he’s been selected to join the controversial Class VII, and they’ll need to deal with more than just class warfare--they’ll need to safeguard their country from chaos.
- 12
Star Trek Prodigy: Supernova
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Adventure with Moonstone Island.
Dal R’El and Gwyndala race against time to save their friends, their ship, new alien species and an entire planetary system before a supernova destroys them all, while battling a deadly new enemy that will stop at nothing to destroy the Protostar and change the very course of history!
- 13
Slime Rancher
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Indie and Adventure with Moonstone Island.
Slime Rancher is the tale of Beatrix LeBeau, a plucky, young rancher who sets out for a life a thousand light years away from Earth on the ‘Far, Far Range’ where she tries her hand at making a living wrangling slimes.
- 14
Monster Hunter Stories
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares RPG with Moonstone Island.
Monster Hunter Stories is an RPG that takes the world of Monster Hunter and expands upon it in new and exciting ways! No longer are you hunting monsters, but raising them! In this deep story featuring heroes known as Monster Riders, you will live alongside monsters and form lifelong bonds with them.
- 15
Potion Permit
Single-player alternative to Moonstone Island — playable solo, no multiplayer required. Shares Adventure and RPG with Moonstone Island.
Moonbury's residents need healing, and you're the best chemist around! With your trusty tools, a brewing cauldron, and a canine companion at your side, you'll need to diagnose symptoms, gather ingredients, brew potions, and cure ailments in this open-ended sim RPG.