Games like Block Gun
Games like Block Gun include SONIC X SHADOW GENERATIONS, Neon White, Portal 2, Portal, and Sonic Adventure 2. We matched them by the tags players give Block Gun on Steam (Action, 3D Platformer, Platformer, 3D, and Sci-fi): closest matches first, and among equally close ones the better-known games.

SONIC X SHADOW GENERATIONS
Shared: Action · 3D Platformer · Platformer

Neon White
Shared: 3D Platformer · Action · Platformer

Portal 2
Shared: Platformer · Singleplayer · 3D Platformer

Portal
Shared: 3D Platformer · Sci-fi · Singleplayer

Sonic Adventure 2
Shared: Action · 3D Platformer · Platformer

Half-Life 2
Shared: Action · Sci-fi · Singleplayer

Spark the Electric Jester 3
Shared: 3D Platformer · Action · 3D

Sonic Adventure DX
Shared: Platformer · 3D Platformer · Action

Sonic Frontiers
Shared: 3D Platformer · Action · Singleplayer

Black Mesa
Shared: Action · Sci-fi · Singleplayer

Lunistice
Shared: 3D Platformer · Platformer · Singleplayer

Bright Memory: Infinite
Shared: Action · Singleplayer · Sci-fi

DeadCore
Shared: Action · Platformer · 3D Platformer

Crash Bandicoot™ 4: It’s About Time
Shared: Action · 3D Platformer · Platformer

Ratchet & Clank: Rift Apart
Shared: 3D Platformer · Singleplayer · Action

Cyber Hook
Shared: 3D Platformer · Action · Indie

Pseudoregalia
Shared: 3D Platformer · Platformer · 3D

Rogue Legacy 2
Shared: Action · Platformer · Arcade

BioShock Infinite
Shared: Action · Singleplayer · FPS

Pumpkin Jack
Shared: Action · 3D Platformer · Platformer

Grimhook
Shared: Action · Platformer · 3D Platformer

Psychonauts
Shared: Platformer · Action · 3D Platformer

Titanfall® 2
Shared: Action · Singleplayer · Sci-fi

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