Single-player games like Catto's Post Office
Below are 12 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

Little Kitty, Big City
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
You're a curious little kitty with a big personality, on an adventure to find your way back home. Explore the city, make new friends with stray animals, wear delightful hats, and leave more than a little chaos in your wake. After all, isn't that what cats do best?
- 2

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.
- 3

Cats Organized Neatly
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
In this 2D puzzle game you have the responsibility to arrange your feline friends in a way that fits the grid. Cats Organized Neatly comes with 80 different handcrafted levels and a whole bunch of cats in all shapes and sizes.
- 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

A Castle Full of Cats
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
A Castle Full of Cats is a catvania hidden object game where you need to find all the cursed cats in the castle. Save each and every cat and unleash the power of love! ♡
- 6

Smushi Come Home
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
Play as a tiny lil' mushroom who's lost in the forest and can't find its way home. Explore unique areas freely at your own pace, chat with friendly inhabitants, and take on different adventures to get back home!
- 7

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!
- 8

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!
- 9

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!
- 10

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!
- 11

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!
- 12

The Count of Monte Clicker
Single-player alternative to Catto's Post Office — playable solo, no multiplayer required. Shares Casual with Catto's Post Office.
The Count of Monte Clicker is an incremental game about breaking out of prison and finding treasure. With the help of fellow prisoner Abbe Faria, you, Edmond Dantes must escape the notorious Chateau d'Idle and claim your destiny.