Games like Spiral Smash
Games like Spiral Smash include PowerWash Simulator, Mirror 2: Project X, SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated, Slime Rancher, and Poker Night at the Inventory. We matched them by the tags players give Spiral Smash on Steam (Casual, eSports, 3D Platformer, 3D, and Colorful): closest matches first, and among equally close ones the better-known games.

PowerWash Simulator
Shared: Casual · 3D · Funny

Mirror 2: Project X
Shared: 3D · Casual · Singleplayer

SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated
Shared: 3D Platformer · Casual · Funny

Slime Rancher
Shared: Singleplayer · Colorful · Casual

Poker Night at the Inventory
Shared: Casual · Funny · 3D

Yellow Taxi Goes Vroom
Shared: 3D Platformer · Colorful · 3D

Bloons TD 6
Shared: Casual · Singleplayer · 3D

Placid Plastic Duck Simulator
Shared: Casual · 3D · Funny

Trombone Champ
Shared: Casual · Funny · Colorful

Lil Gator Game
Shared: Casual · Funny · Colorful

Garry's Mod
Shared: Casual · Funny · Singleplayer

A Hat in Time
Shared: 3D Platformer · Funny · Colorful

Among Us 3D
Shared: Casual · 3D · Funny

Psychonauts 2
Shared: 3D Platformer · Singleplayer · Funny

Donut County
Shared: Casual · Funny · Singleplayer

Slime Rancher 2
Shared: Colorful · Singleplayer · Casual

MECCHA CHAMELEON
Shared: Casual · Funny · Colorful

hololive Treasure Mountain
Shared: Casual · 3D Platformer · Colorful

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

Totally Accurate Battle Simulator
Shared: Funny · Singleplayer · Colorful

Low-Budget Repairs
Shared: Casual · Funny · Singleplayer

Berry Bury Berry
Shared: 3D · Casual · Singleplayer

Katamari Damacy REROLL
Shared: Casual · Colorful · Funny

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: 3D Platformer · Casual · Singleplayer