Games like Kitten Rampage
Games like Kitten Rampage include Into The Flames, Feed and Grow: Fish, Goat Simulator, Retrowave, and EmergeNYC. We matched them by the tags players give Kitten Rampage on Steam (Action, Indie, Casual, Simulation, and Cats): closest matches first, and among equally close ones the better-known games.

Into The Flames
Shared: Action · Simulation · Casual

Feed and Grow: Fish
Shared: Simulation · Action · Indie

Goat Simulator
Shared: Simulation · Casual · Indie

Retrowave
Shared: Indie · Casual · Action

EmergeNYC
Shared: Simulation · Action · Early Access

Wobbly Life
Shared: Simulation · Action · Casual

KovaaK's
Shared: Action · Simulation · Indie

The Cat Games
Shared: Casual · Indie · Action

Achievement Clicker
Shared: Casual · Indie · Action

Storm Chasers
Shared: Indie · Action · Simulation

Gensokyo Night Festival
Shared: Action · Indie · Casual

Gang Beasts
Shared: Action · Casual · Indie

Moving Out
Shared: Action · Casual · Indie

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Witch It
Shared: Casual · Indie · Action

Drug Dealer Simulator
Shared: Action · Simulation · Indie

Sparkle 2 Evo
Shared: Indie · Casual · Action

Plague Inc: Evolved
Shared: Indie · Simulation · Casual

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

Russian Life Simulator
Shared: Simulation · Indie · Action

Need For Drink
Shared: Action · Casual · Simulation

Contractors
Shared: Action · Indie · Simulation

Plebby Quest: The Crusades
Shared: Indie · Casual · Action

House Flipper
Shared: Simulation · Casual · Action