Games like 3 Days in the Abyss
Games like 3 Days in the Abyss include Grand Theft Auto V Legacy, Escape From Duckov, Chorus, BioShock Infinite, and Aimlabs. We matched them by the tags players give 3 Days in the Abyss on Steam (Indie, Action, Adventure, and Shooter): closest matches first, and among equally close ones the better-known games.

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

Escape From Duckov
Shared: Action · Adventure · Shooter

Chorus
Shared: Action · Indie · Adventure

BioShock Infinite
Shared: Action · Shooter · Adventure

Aimlabs
Shared: Shooter · Action · Indie

How to Fish
Shared: Indie · Shooter · Adventure

KovaaK's
Shared: Action · Shooter · Indie

My Friend Pedro
Shared: Indie · Action · Shooter

Red Dead Redemption 2
Shared: Adventure · Action · Shooter

Far Cry 3
Shared: Action · Adventure · Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Adventure

ORION: Prelude
Shared: Action · Indie · Shooter

BPM: BULLETS PER MINUTE
Shared: Action · Indie · Shooter

Dinosaur Hunt
Shared: Action · Indie · Adventure

Zombotron
Shared: Action · Indie · Adventure

Grand Theft Auto V Enhanced
Shared: Action · Shooter · Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Shooter

Broforce
Shared: Action · Indie · Shooter

Caster
Shared: Indie · Action · Adventure

Bright Memory: Infinite
Shared: Action · Indie · Shooter

Half-Life 2
Shared: Action · Shooter · Adventure

BONEWORKS
Shared: Action · Shooter · Adventure

VLADiK BRUTAL
Shared: Action · Shooter · Adventure

The Ascent
Shared: Action · Shooter · Indie