Games like MH-Zombie
Games like MH-Zombie include War Thunder, ACE COMBAT™ 7: SKIES UNKNOWN, Project Wingman, VTOL VR, and Nuclear Option. We matched them by the tags players give MH-Zombie on Steam (Flight, Simulation, Arcade, First-Person, and Zombies): closest matches first, and among equally close ones the better-known games.

War Thunder
Shared: Simulation · Flight · Vehicular Combat

ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Flight · Arcade · Military

Project Wingman
Shared: Flight · Arcade · Simulation

VTOL VR
Shared: Flight · Simulation · Military

Nuclear Option
Shared: Flight · Simulation · First-Person

Quarantine Zone: The Last Check
Shared: Simulation · Zombies · First-Person

Microsoft Flight Simulator X: Steam Edition
Shared: Flight · Simulation · First-Person

FPV Kamikaze Drone
Shared: Simulation · First-Person · Flight

Plants vs. Zombies GOTY Edition
Shared: Zombies · Tower Defense · Casual

STAR WARS™: Squadrons
Shared: Flight · Simulation · First-Person

X-Plane 11
Shared: Flight · Simulation · First-Person

ACE COMBAT 8: WINGS OF THEVE
Shared: Flight · Vehicular Combat · Military

Internet Cafe Simulator 2
Shared: Simulation · First-Person · Arcade

Arma 3
Shared: Simulation · First-Person · Military

Uncrashed : FPV Drone Simulator
Shared: Flight · Simulation · First-Person

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Flight · Simulation · Singleplayer

PowerWash Simulator
Shared: Simulation · First-Person · Casual

Tiny Combat Arena
Shared: Flight · Simulation · Stylized

X-Plane 12
Shared: Flight · Simulation · First-Person

IL-2 Sturmovik: Battle of Stalingrad
Shared: Flight · Simulation · First-Person

Garry's Mod
Shared: First-Person · Simulation · Casual

Resident Evil Requiem
Shared: Zombies · First-Person · Singleplayer

Slime Rancher 2
Shared: First-Person · Simulation · Singleplayer

Liftoff®: FPV Drone Racing
Shared: Flight · Simulation · First-Person