Games like Riley In The Abyss
Games like Riley In The Abyss include Aliens: Dark Descent, Escape From Duckov, Halo: Spartan Assault, Paladins®, and Door Kickers. We matched them by the tags players give Riley In The Abyss on Steam (Action, Strategy, Action-Adventure, Shooter, and Hero Shooter): closest matches first, and among equally close ones the better-known games.

Aliens: Dark Descent
Shared: Strategy · Action · Top-Down

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

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

Paladins®
Shared: Hero Shooter · Action · Shooter

Door Kickers
Shared: Strategy · Action · Top-Down

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

Hidden Deep
Shared: Action · Shooter · 2D

Hotline Miami
Shared: Action · Top-Down · 1980s

ShellShock Live
Shared: Strategy · Action · Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Strategy

Halo: Spartan Strike
Shared: Action · Top-Down Shooter · Strategy

Marvel Rivals
Shared: Hero Shooter · Action · Shooter

Atomic Heart
Shared: Action · Action-Adventure · Shooter

Alien Shooter
Shared: Action · Shooter · Top-Down

Shadowgrounds
Shared: Action · Top-Down Shooter · Shooter

D'LIRIUM
Shared: Action-Adventure · Top-Down Shooter · 2D

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

X-Morph: Defense
Shared: Strategy · Action · Top-Down Shooter

REMNANT II®
Shared: Action · Shooter · Action-Adventure

Apex Legends™
Shared: Shooter · Action · Hero Shooter

Dead Space
Shared: Shooter · Action-Adventure · Action

Intravenous 2
Shared: Shooter · Action · Top-Down Shooter

Darkwood
Shared: Action · Horror · Strategy

Zombotron
Shared: Action · 2D · Shooter