Games like Slime City: Trials
Games like Slime City: Trials include Neon White, Titanfall® 2, White Knuckle, Severed Steel, and Battlefield™ 2042. We matched them by the tags players give Slime City: Trials on Steam (Precision Platformer, 3D Platformer, FPS, Parkour, and Platformer): closest matches first, and among equally close ones the better-known games.

Neon White
Shared: 3D Platformer · FPS · Parkour

Titanfall® 2
Shared: FPS · Parkour · Shooter

White Knuckle
Shared: Parkour · 3D Platformer · Precision Platformer

Severed Steel
Shared: FPS · Parkour · Shooter

Battlefield™ 2042
Shared: FPS · Shooter · First-Person

SEUM: Speedrunners from Hell
Shared: 3D Platformer · Precision Platformer · Parkour

Call of Duty®
Shared: FPS · Shooter · Action

Cyber Hook
Shared: 3D Platformer · Parkour · Platformer

Portal 2
Shared: Platformer · First-Person · 3D Platformer

Aimlabs
Shared: FPS · Shooter · First-Person

BioShock Infinite
Shared: FPS · Shooter · Action

Echo Point Nova
Shared: FPS · Shooter · Parkour

Call of Duty®: Black Ops III
Shared: FPS · Shooter · First-Person

Ready or Not
Shared: FPS · Shooter · First-Person

Pseudoregalia
Shared: 3D Platformer · Parkour · Platformer

DeadCore
Shared: Platformer · FPS · Parkour

Black Mesa
Shared: FPS · Action · Shooter

Battlefield™ V
Shared: FPS · Shooter · First-Person

Mirror's Edge™
Shared: Parkour · 3D Platformer · First-Person

Clustertruck
Shared: Parkour · 3D Platformer · First-Person

Half-Life 2
Shared: FPS · Action · Shooter

Hot Lava
Shared: Precision Platformer · 3D Platformer · Parkour

DOOM
Shared: FPS · Shooter · Action

KovaaK's
Shared: FPS · Shooter · Action