Games like Carnival Happy Day
Games like Carnival Happy Day include Forza Horizon 5, Only Climb: Better Together, Totally Accurate Battle Simulator, Goat Simulator, and Chained Together. We matched them by the tags players give Carnival Happy Day on Steam (Comedy, Casual, Arcade, Realistic, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Forza Horizon 5
Shared: Realistic · Arcade · Adventure

Only Climb: Better Together
Shared: Arcade · 3D Platformer · Precision Platformer

Totally Accurate Battle Simulator
Shared: Realistic · Simulation · Adventure

Goat Simulator
Shared: Comedy · Casual · Simulation

Chained Together
Shared: Casual · Adventure · 3D Platformer

Tales from the Borderlands
Shared: Comedy · Adventure · Choose Your Own Adventure

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · Realistic

Garfield Kart
Shared: Arcade · Casual · Comedy

Youtubers Life
Shared: Casual · Comedy · Adventure

There Is No Game: Wrong Dimension
Shared: Comedy · Adventure · Casual

Car Service Together
Shared: Casual · Choose Your Own Adventure · Realistic

Internet Cafe Simulator 2
Shared: Arcade · 3D · Simulation

Thank Goodness You're Here!
Shared: Comedy · Adventure · Casual

Disney Speedstorm
Shared: Arcade · Casual · 3D

Arcade Paradise
Shared: Arcade · Comedy · Adventure

ScooterFlow
Shared: Realistic · Simulation · 3D Platformer

s&box
Shared: Casual · 3D Platformer · 3D

The Coin Game
Shared: Arcade · Casual · Realistic

Garry's Mod
Shared: Casual · Comedy · Simulation

Forza Horizon 6
Shared: Realistic · Arcade · Racing

Out of Ore
Shared: Realistic · Choose Your Own Adventure · Simulation

Get To Work
Shared: Adventure · 3D Platformer · Precision Platformer

PEAK
Shared: Comedy · Adventure · 3D

That's not my Neighbor
Shared: Casual · Adventure · Arcade