Games like I Am Cat
Games like I Am Cat include Slime Rancher, Little Kitty, Big City, Totally Accurate Battle Simulator, Goat Simulator, and Wobbledogs. We matched them by the tags players give I Am Cat on Steam (Cats, Simulation, Funny, Cute, and Cartoon): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Cute · Funny · Simulation

Little Kitty, Big City
Shared: Cats · Cute · Funny

Totally Accurate Battle Simulator
Shared: Simulation · Funny · Sandbox

Goat Simulator
Shared: Simulation · Funny · Comedy

Wobbledogs
Shared: Simulation · Cute · Funny

Cat Goes Fishing
Shared: Cats · Cute · Funny

Garry's Mod
Shared: Funny · Simulation · Sandbox

Passpartout: The Starving Artist
Shared: Simulation · Funny · Casual

SPORE™
Shared: Simulation · Cute · Funny

Catlateral Damage
Shared: Cats · Funny · Cute

Slime Rancher 2
Shared: Cute · Simulation · Colorful

Trombone Champ
Shared: Funny · Cute · Cartoon

Donut County
Shared: Funny · Cute · Casual

Bongo Cat
Shared: Cats · Cute · Casual

VRChat
Shared: VR · Funny · Simulation

Banana
Shared: Funny · Simulation · Family Friendly

Wobbly Life
Shared: Simulation · Funny · Adventure

CHUCHEL
Shared: Funny · Cartoon · Cute

Kill It With Fire
Shared: Simulation · Funny · Family Friendly

Two Point Hospital
Shared: Simulation · Funny · Casual

Stray
Shared: Cats · Cute · Adventure

Placid Plastic Duck Simulator
Shared: Cute · Funny · Simulation

Ratty Catty
Shared: Funny · Cute · Family Friendly

Goat Simulator 3
Shared: Simulation · Exploration · Sandbox