Games like Void Source
Games like Void Source include Nova Drift, Bit Blaster XL, Beat Hazard, Titan Attacks!, and Chippy. We matched them by the tags players give Void Source on Steam (On-Rails Shooter, Side Scroller, Arena Shooter, Shoot 'Em Up, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arena Shooter
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Beat Hazard
Shared: Twin Stick Shooter · Shoot 'Em Up · Bullet Hell
Titan Attacks!
Shared: Side Scroller · Arena Shooter · Shoot 'Em Up
Chippy
Shared: Arena Shooter · Twin Stick Shooter · Bullet Hell
Geometry Wars: Retro Evolved
Shared: Twin Stick Shooter · Casual · Bullet Hell
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Casual · Bullet Hell
Cyberhunt
Shared: Shoot 'Em Up · Casual · Twin Stick Shooter
Time Wasters
Shared: Twin Stick Shooter · Arena Shooter · Bullet Hell
Jets'n'Guns Gold
Shared: Side Scroller · Shoot 'Em Up · Bullet Hell
Waves
Shared: Shoot 'Em Up · Bullet Hell · Twin Stick Shooter
Huntdown
Shared: Side Scroller · Shoot 'Em Up · Shooter
Sektori
Shared: Shoot 'Em Up · Twin Stick Shooter · Arena Shooter
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Arcade
State of Anarchy: Master of Mayhem
Shared: Shoot 'Em Up · Twin Stick Shooter · Bullet Hell
Chicken Invaders Universe
Shared: Shoot 'Em Up · Shooter · Casual
DRAINUS
Shared: Shoot 'Em Up · Shooter · Side Scroller
METAL SLUG
Shared: Side Scroller · Shoot 'Em Up · Arcade
Star Saviors
Shared: Shoot 'Em Up · Bullet Hell · Arcade
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Ikaruga
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Rise & Shine
Shared: Side Scroller · Shoot 'Em Up · Twin Stick Shooter
Nex Machina
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up
Jets'n'Guns 2
Shared: Shoot 'Em Up · Side Scroller · Bullet Hell