Games like POSTAL 2: Paradise Lost
Games like POSTAL 2: Paradise Lost include POSTAL 2, High On Life, DOOM Eternal, Serious Sam 4, and Bulletstorm: Full Clip Edition. We matched them by the tags players give POSTAL 2: Paradise Lost on Steam (Action, Adventure, Indie, Gore, and FPS): closest matches first, and among equally close ones the better-known games.

POSTAL 2
Shared: Violent · Dark Humor · Comedy

High On Life
Shared: Adventure · FPS · Comedy

DOOM Eternal
Shared: Action · Gore · FPS

Serious Sam 4
Shared: Action · Gore · FPS

Bulletstorm: Full Clip Edition
Shared: Action · Gore · Adventure

POSTAL 4: No Regerts
Shared: Adventure · Gore · Comedy

RAGE 2
Shared: Action · FPS · Gore

Shadow Warrior
Shared: Action · Gore · FPS

Far Cry 3
Shared: Action · Adventure · FPS

Metro Exodus
Shared: FPS · Action · Post-apocalyptic

Wolfenstein II: The New Colossus
Shared: Action · FPS · Gore

Bright Memory: Infinite
Shared: Action · Indie · FPS

Fallout 4
Shared: Adventure · Post-apocalyptic · Open World

Grand Theft Auto V Legacy
Shared: Action · Adventure · Open World

Serious Sam 3: BFE
Shared: Action · FPS · Gore

BioShock Infinite
Shared: Action · FPS · Adventure

Bright Memory
Shared: FPS · Action · Adventure

DOOM
Shared: Action · Gore · FPS

Necromunda: Hired Gun
Shared: Action · Adventure · FPS

Atomic Heart
Shared: Adventure · Action · FPS

Serious Sam Fusion 2017 (beta)
Shared: Action · Gore · Indie

Grand Theft Auto V Enhanced
Shared: Action · Adventure · Open World

Far Cry® 4
Shared: Action · FPS · Adventure

Half-Life 2
Shared: Action · FPS · Adventure