Single-player games like The Grotto Index
Below are 8 single-player Steam games similar to The Grotto Index, 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 The Grotto Index page.
Ranked picks
- 1
Marimomo
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Casual with The Grotto Index.
Virtual pets, WITHOUT the responsibility! Collect cute marimo moss balls and care for them on your schedule. They will always stay alive for you! Switch to Desktop Pet Mode and your Momos will keep you company on any digital space (including livestreams!) There’s a multitude of moss to amass!
- 2
Otterly Lost
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Adventure with The Grotto Index.
Swim, dive, and explore as a curious sea otter far from home. Meet charming animals, discover hidden places, use tools, and solve light challenges as you make your way back with your favorite rock by your side.
- 3
100 Cats Singapore
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Casual with The Grotto Index.
Find 100 Cats hidden in Singapore! Can you find them all? 😺
- 4
Is This Seat Taken?
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Casual with The Grotto Index.
Is This Seat Taken? is a logic puzzle game where you play matchmaker for groups of hilariously particular people. Each character has pet peeves that make seating them a delightful challenge. Find the perfect spot for each person to unlock new levels in this cozy, silly, and relatable experience.
- 5
Rita
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Adventure with The Grotto Index.
Rita is a cozy adventure where a little chicklet solves word-based puzzles to transform the world around her. Follow her story across generations, meet her grandchicklet, and be a part of her legacy.
- 6
Misc. A Tiny Tale
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Adventure with The Grotto Index.
Meet Buddy and Bag Boy – two tiny robots with big hearts and an even bigger mission: spreading joy! After a mysterious explosion rains golden cogs and trash from the sky, it’s their job to collect, clean, and help each village while uncovering the secret behind the blast.
- 7
Hidden Capybaras with Orange
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Casual with The Grotto Index.
Set out on an adventurous journey, searching for capybaras with orange during both day and night in this exceptional hidden object game.
- 8
Nanomon Virtual Pet
Single-player alternative to The Grotto Index — playable solo, no multiplayer required. Shares Indie and Adventure with The Grotto Index.
Nanomon are byte-sized virtual pets for the corner of your screen! Raise over 25 unique monsters, and explore their cyber-world! Feed them, train them, or chill with them! By your side, nanomon evolve, learn new abilities, and venture further into the Nanoscape! What kind of monster will you raise?