Games like Detective Dave 3D RPG
Games like Detective Dave 3D RPG include BioShock Infinite, Fallout 4, Fallout: New Vegas, S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition, and Dishonored. We matched them by the tags players give Detective Dave 3D RPG on Steam (First-Person, Immersive Sim, Pixel Graphics, Dark Comedy, and Action): closest matches first, and among equally close ones the better-known games.

BioShock Infinite
Shared: First-Person · Action · RPG

Fallout 4
Shared: First-Person · Adventure · RPG

Fallout: New Vegas
Shared: RPG · First-Person · Action

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Action · Adventure · First-Person

Dishonored
Shared: First-Person · Action · Adventure

Cyberpunk 2077
Shared: RPG · First-Person · Singleplayer

Fatekeeper
Shared: First-Person · Action · Immersive Sim

Kingdom Come: Deliverance II
Shared: First-Person · RPG · Adventure

Half-Life 2
Shared: Action · First-Person · Adventure

System Shock
Shared: Immersive Sim · Action · First-Person

DEATHLOOP
Shared: Immersive Sim · First-Person · Action

S.T.A.L.K.E.R.: Call of Prypiat - Enhanced Edition
Shared: Action · Adventure · Immersive Sim

RoboCop: Rogue City
Shared: First-Person · Action · Singleplayer

Grand Theft Auto V Legacy
Shared: Action · First-Person · Adventure

Borderlands 2
Shared: Action · First-Person · RPG

Black Mesa
Shared: First-Person · Action · FPS

Tainted Grail: The Fall of Avalon
Shared: First-Person · RPG · Adventure

Deus Ex: Mankind Divided
Shared: RPG · Immersive Sim · Action

Eastward
Shared: Pixel Graphics · Adventure · RPG

Far Cry® Primal
Shared: First-Person · Action · Adventure

Shadows of Doubt
Shared: Immersive Sim · Detective · First-Person

Dark Messiah of Might & Magic
Shared: First-Person · Action · RPG

S.T.A.L.K.E.R.: Clear Sky - Enhanced Edition
Shared: Action · Adventure · Immersive Sim

Prey
Shared: Immersive Sim · First-Person · Singleplayer