Games like Splitfire
Games like Splitfire include Halo: Spartan Assault, The Hong Kong Massacre, Waves, HELLDIVERS™ Dive Harder Edition, and Sky Force Reloaded. We matched them by the tags players give Splitfire on Steam (Action, Shoot 'Em Up, Top-Down Shooter, Twin Stick Shooter, and Shooter): closest matches first, and among equally close ones the better-known games.

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

The Hong Kong Massacre
Shared: Action · Top-Down Shooter · Twin Stick Shooter

Waves
Shared: Shoot 'Em Up · Twin Stick Shooter · Shooter

HELLDIVERS™ Dive Harder Edition
Shared: Top-Down Shooter · Action · Twin Stick Shooter

Sky Force Reloaded
Shared: Shoot 'Em Up · Top-Down Shooter · Arcade

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

Cyberhunt
Shared: Action · Shoot 'Em Up · Twin Stick Shooter

Chippy
Shared: Shoot 'Em Up · Twin Stick Shooter · Top-Down Shooter

Sektori
Shared: Shoot 'Em Up · Twin Stick Shooter · Arcade

RUINER
Shared: Action · Top-Down Shooter · Twin Stick Shooter

Nex Machina
Shared: Action · Twin Stick Shooter · Shoot 'Em Up

Kill The Crows
Shared: Action · Top-Down Shooter · Arcade

Crimsonland
Shared: Action · Shooter · Top-Down Shooter

Insect Swarm
Shared: Shoot 'Em Up · Shooter · Top-Down Shooter

Alien Breed: Impact
Shared: Action · Shooter · Top-Down

Beat Hazard
Shared: Twin Stick Shooter · Shoot 'Em Up · Action

Brigador: Up-Armored Edition
Shared: Action · Twin Stick Shooter · Top-Down Shooter

Beat Hazard 2
Shared: Twin Stick Shooter · Top-Down Shooter · Procedural Generation

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Action

Renegade Ops
Shared: Action · Twin Stick Shooter · Arcade

Splatter - Zombiecalypse Now
Shared: Action · Top-Down Shooter · Top-Down

Deployment
Shared: Top-Down Shooter · Action · Shooter

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action · Twin Stick Shooter

Nova Drift
Shared: Shoot 'Em Up · Arcade · Shooter