Games like Undead Gunline
Games like Undead Gunline include Left 4 Dead 2, UpGun, DayZ, Zombieville USA 3D, and PUBG: BATTLEGROUNDS. We matched them by the tags players give Undead Gunline on Steam (Shooter, Casual, Arcade, Action, and 3D): closest matches first, and among equally close ones the better-known games.
Left 4 Dead 2
Shared: Shooter · Action · Zombies
UpGun
Shared: Shooter · Casual · Arcade
DayZ
Shared: Shooter · Post-apocalyptic · Zombies
Zombieville USA 3D
Shared: Arcade · Shooter · Action
PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Survival
ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Shooter · Arcade · 3D
Battlefield™ 2042
Shared: Shooter · Action · Singleplayer
The Last of Us™ Part I
Shared: Shooter · Post-apocalyptic · Zombies
Left 4 Dead
Shared: Shooter · Action · Zombies
ACE COMBAT 8: WINGS OF THEVE
Shared: Shooter · Action · Vehicular Combat
METRO Last Light Redux
Shared: Action · Post-apocalyptic · Shooter
World War Z
Shared: Shooter · Action · Zombies
Metro Exodus
Shared: Post-apocalyptic · Action · Shooter
S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Shooter · Post-apocalyptic · Action
Planes, Bullets and Vodka
Shared: Casual · Action · Shooter
THE HOUSE OF THE DEAD: Remake
Shared: Shooter · Action · Arcade
METRO 2033 Redux
Shared: Post-apocalyptic · Action · Shooter
Mad Max
Shared: Action · Post-apocalyptic · Vehicular Combat
Fallout 4
Shared: Post-apocalyptic · Shooter · Action
Call of Duty®: Black Ops III
Shared: Shooter · Action · Zombies
Killing Floor 2
Shared: Shooter · Post-apocalyptic · Zombies
STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Singleplayer
MARVEL Tōkon: Fighting Souls
Shared: Casual · Action · Arcade
The Last Stand: Aftermath
Shared: Shooter · Post-apocalyptic · Zombies