Single-player games like Mothkeep
Below are 8 single-player Steam games similar to Mothkeep, 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 Mothkeep page.
Ranked picks
- 1
Marimomo
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
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
Kabuto Park
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie with Mothkeep.
Enjoy summer in Kabuto Park! Catch the cutest bugs, train them and win the Summer Beetle Battles Championship in this tiny bug collection game! Upgrade your equipment to find rarer, stronger and shinier little friends.
- 3
Nanoquarium
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
A whisper-quiet aquarium that lives in the corner of your screen. Collect 200+ real-world fish across tropical, coldwater and reef tanks, breed them for rare strains, run a whole fishroom, and let the tank tick over while you work. No pressure, no fail state — just your fish, drifting.
- 4
Koimori
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
Turn your desktop into a living pond with this peaceful idle overlay. Let koi drift around while you work or relax, drop snacks to see them gather, and unlock rare koi patterns as you spend more time with your little friends.
- 5
Wildframe : A Creature Scrapbook
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
A cosy wildlife photography game set in a world of fantastic creatures. Observe, wait for the perfect moment, and photograph them all. Fill and customize your scrapbook at your own pace, and complete the collection your grandfather never could.
- 6
Fishing Spot
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
Fishing Spot is a relaxing fishing game about discovering unique fishing locations and the species that inhabit them. Generate new spots with their own ecosystems, fish populations, bite schedules and bait preferences, chase records, and build your collection — all at your own pace.
- 7
FishyFox
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
Cast into peaceful waters, guide your lure beneath the surface, and reel in fish of every size in FishyFox! Experiment with different bait and equipment, discover new species, chase trophy catches, and fill your personal aquarium in this cozy fishing adventure.
- 8
Travellin Cats Advent Calendar
Single-player alternative to Mothkeep — playable solo, no multiplayer required. Shares Indie and Casual with Mothkeep.
Sweeten the countdown to Christmas with this fabulous advents calendar full of hidden cats for you to find in this cute HOG by Travellin Cats - the original viral hidden cat game creator!