Games like Scission
Games like Scission include SYNTHETIK: Legion Rising, RUINER, Brigador: Up-Armored Edition, HELLDIVERS™ Dive Harder Edition, and SYNTHETIK 2. We matched them by the tags players give Scission on Steam (Top-Down Shooter, Twin Stick Shooter, PvE, Difficult, and Dark): closest matches first, and among equally close ones the better-known games.

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

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

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

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

SYNTHETIK 2
Shared: Top-Down Shooter · Twin Stick Shooter · Top-Down

Section 13
Shared: Top-Down Shooter · Twin Stick Shooter · Dark

Hotline Miami
Shared: Top-Down · Action · Difficult

The Binding of Isaac
Shared: Difficult · Dark · Top-Down

Shape of Dreams
Shared: PvE · Top-Down · 3D

Assault Android Cactus+
Shared: Twin Stick Shooter · Difficult · Top-Down

POSTAL
Shared: Top-Down Shooter · Twin Stick Shooter · Difficult

Snake Force
Shared: Top-Down Shooter · Top-Down · 3D

Hotline Miami 2: Wrong Number
Shared: Difficult · Top-Down · Top-Down Shooter

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

Deep Rock Galactic: Survivor
Shared: Top-Down Shooter · PvE · Top-Down

Splatter - Zombiecalypse Now
Shared: Top-Down Shooter · Twin Stick Shooter · Top-Down

KILL KNIGHT
Shared: Top-Down Shooter · Difficult · Twin Stick Shooter

Halo: Spartan Assault
Shared: Top-Down Shooter · Twin Stick Shooter · Top-Down

Hellblade: Senua's Sacrifice
Shared: Dark · Female Protagonist · Atmospheric

Nuclear Throne
Shared: Difficult · Top-Down Shooter · Indie

Hollow Knight: Silksong
Shared: Difficult · Indie · Female Protagonist

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

Jackal
Shared: Top-Down Shooter · Difficult · Top-Down

Nex Machina
Shared: Twin Stick Shooter · Difficult · Action