Games like Xenocide
Games like Xenocide include Hotline Miami, Hotline Miami 2: Wrong Number, RUINER, My Friend Pedro, and DOOM Eternal. We matched them by the tags players give Xenocide on Steam (Action, Indie, Violent, Gore, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

Hotline Miami
Shared: Action · Violent · Indie

Hotline Miami 2: Wrong Number
Shared: Gore · Action · Violent

RUINER
Shared: Action · Indie · Top-Down Shooter

My Friend Pedro
Shared: Action · Indie · Gore

DOOM Eternal
Shared: Action · Gore · Violent

Dead by Daylight
Shared: Gore · Violent · Survival Horror

Nation Red
Shared: Action · Indie · Top-Down Shooter

The Hong Kong Massacre
Shared: Action · Violent · Gore

DOKA 2 KISHKI EDITION
Shared: Violent · Action · Gore

CARRION
Shared: Gore · Action · Indie

Katana ZERO
Shared: Action · Indie · Great Soundtrack

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

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

Mother Russia Bleeds
Shared: Action · Violent · Gore

Mortal Kombat 11
Shared: Gore · Action · Violent

Ape Out
Shared: Violent · Indie · Gore

The Ascent
Shared: Action · Top-Down Shooter · Indie

Paint the Town Red
Shared: Action · Violent · Gore

Chivalry: Medieval Warfare
Shared: Action · Gore · Violent

The Texas Chain Saw Massacre
Shared: Gore · Action · Survival Horror

Suit for Hire
Shared: Action · Gore · Violent

Resident Evil 4
Shared: Action · Survival Horror · Survival

Manhunt
Shared: Violent · Gore · Action

Daymare: 1998
Shared: Action · Indie · Survival Horror