Games like Void Surfer
Games like Void Surfer include Escape From Duckov, Halo: Spartan Assault, Just Cause™ 3, Fallout 4, and Just Cause 2. We matched them by the tags players give Void Surfer on Steam (Top-Down Shooter, Action, Space Sim, Sandbox, and Exploration): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Action · Top-Down Shooter · Shooter

Halo: Spartan Assault
Shared: Top-Down Shooter · Action · Singleplayer

Just Cause™ 3
Shared: Action · Shooter · Singleplayer

Fallout 4
Shared: Exploration · Singleplayer · Shooter

Just Cause 2
Shared: Action · Sandbox · Shooter

Ravenfield
Shared: Action · Sandbox · Shooter

RUNNING WITH RIFLES
Shared: Top-Down Shooter · Action · Sandbox

Terraria
Shared: Sandbox · Exploration · 2D

Reassembly
Shared: Sandbox · Action · Strategy

Elite Dangerous
Shared: Space Sim · Exploration · Action

X4: Foundations
Shared: Space Sim · Exploration · Sandbox

Your Only Move Is HUSTLE
Shared: Action · 2D Fighter · Sandbox

Grand Theft Auto V Legacy
Shared: Action · Shooter · Singleplayer

Spaceflight Simulator
Shared: Space Sim · Sandbox · Exploration

Avorion
Shared: Sandbox · Space Sim · Exploration

X Rebirth
Shared: Action · Space Sim · Sandbox

12 is Better Than 6
Shared: Action · Top-Down Shooter · Shooter

Lumencraft
Shared: Action · Sandbox · Top-Down Shooter

Freeman: Guerrilla Warfare
Shared: Action · Shooter · Strategy

Mount & Blade II: Bannerlord
Shared: Sandbox · Action · Strategy

鬼谷八荒 Tale of Immortal
Shared: Sandbox · Singleplayer · Action

Police Stories
Shared: Action · Top-Down Shooter · Strategy

Arma 3
Shared: Action · Shooter · Sandbox

BONEWORKS
Shared: Action · Sandbox · Shooter