Single-player games like Catto's Post Office
Below are 16 single-player Steam games similar to Catto's Post Office, 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 Catto's Post Office page.
Ranked picks
- 1
A Robot's Tiny Adventure
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
A Robot's Tiny Adventure is a calming, short and peaceful game where you take on the role of a tiny robot created to help others. Explore a small open world at your own pace
- 2
Monch!
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
Absorb creatures to gain and upgrade abilities, relax as you explore a handcrafted world and help out it's inhabitants. Keep an eye out for trinkets and secrets as you investigate the strange power afflicting this place and it's denizens... What does it all mean?
- 3
Spilled!
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
Clean up ocean waste in this short & relaxing game! Recycle, earn coins and upgrade your boat. Explore new areas. Clean bigger spills and different kinds of waste!
- 4
A Tiny Sticker Tale
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
A Tiny Sticker Tale is a cozy miniature adventure about changing the world, using the power of stickers!
- 5
CAT & ONION
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
Talk to a stone. Cover yourself in butter. Befriend a flying onion. Take a short break from life and go on a feel-good cat adventure!
- 6
Re:Fresh
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
Restore your town as you run, jump and dash through cozy locales while helping lovable townsfolk! Become immersed in a tight-knit community of animals and robots while becoming the town hero in this heart-warming solarpunk adventure.
- 7
Tall Trails
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
A chill exploration game where EVERYTHING goes in the boot! You're Alp, a lil' golem on a quest to find his purpose. Run, climb, and use items as fuel in your Rocket Boot to blast yourself into the air!
- 8
Misc. A Tiny Tale
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
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.
- 9
Stardew Valley
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
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?
- 10
Pikuniku
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
Pikuniku is an absurdly wonderful puzzle-exploration game that takes place in a strange but playful world where not everything is as happy as it seems. Help peculiar characters overcome struggles, uncover a deep state conspiracy, and start a little revolution in this delightful dystopian adventure!
- 11
Paw Patrol: On A Roll!
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
PAW Patrol is on a roll! No job is too big, no pup is too small! Join the entire PAW Patrol team—including Everest and Tracker—for 16 exciting rescue missions around Adventure Bay! Help each pup use their unique abilities to help their friends and save the day!
- 12
Untitled Goose Game
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
It's a lovely morning in the village and you are a horrible goose.
- 13
Spiritfarer®: Farewell Edition
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
Spiritfarer® is a cozy management game about dying. As ferrymaster to the deceased, build a boat to explore the world, care for your spirit friends, and release them into the afterlife. The Spiritfarer Farewell Edition includes the heartwarming base game and three major content updates.
- 14
PAW Patrol Mighty Pups Save Adventure Bay
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
Join the Mighty Pups on a super-heroic mission to Save Adventure Bay. Have fun together in 2-player co-op mode, unlock fun mini-games, rescue familiar friends and use each pup’s mighty powers to make the town PAWsome again!
- 15
PAW Patrol The Movie: Adventure City Calls
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
Big city, bigger adventure! The PAW Patrol must save Adventure City from Mayor Humdinger’s selfish scheming – and they need YOU on Team PAWsome!
- 16
MazM: The Phantom of the Opera
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required.
A thrilling love story unfolds in a majestic Parisian opera house.