Like more than one of them
30 games close to two or more of Dead Realm, Red Dead Redemption 2 and Left 4 Dead 2
SCP: Secret Laboratory
Dead Realm, but free to play, and 12 times the hours
Loved · 91%Survival Horror · HorrorAlso like Left 4 Dead 2
The Evil Within 2
Dead Realm, but a third-person shooter, and six times the hours
Loved · 92%Survival Horror · HorrorAlso like Left 4 Dead 2
Resident Evil Revelations
Left 4 Dead 2, but third-person, and more divisive
Liked · 81%Zombies · Survival HorrorAlso like Dead Realm
Unturned
Left 4 Dead 2, but free to play, and a survival crafting game
Loved · 91%Zombies · SurvivalAlso like Dead Realm
Outlast 2
Dead Realm, but gorier, and three times the hours
Loved · 91%Survival Horror · HorrorAlso like Left 4 Dead 2
Zombie Panic! Source
Left 4 Dead 2, but free to play, and half the hours
Liked · 85%Zombies · FPSAlso like Dead Realm
Tom Clancy's Ghost Recon Wildlands
Red Dead Redemption 2, but a stealth game, and co-op
Mixed · 78%Open world · Third-Person ShooterAlso like Left 4 Dead 2 and Dead Realm
BIGFOOT
Dead Realm, but PvP, and twice the hours
Liked · 82%Survival Horror · HorrorAlso like Left 4 Dead 2
Fallout: New Vegas
Red Dead Redemption 2, but an action RPG, and single-player
Loved · 96%Western · Open worldAlso like Left 4 Dead 2
Infestation: The New Z
Dead Realm, but free to play, and open world
Divisive · 54%Survival Horror · SurvivalAlso like Left 4 Dead 2
Propagation VR
Left 4 Dead 2, but in VR, and a tenth of the hours
Loved · 94%Zombies · FPSAlso like Dead Realm
Dying Light
Left 4 Dead 2, but open world, and with parkour
Loved · 95%Zombies · Survival HorrorAlso like Dead Realm
BLOCKADE 3D
Dead Realm, but pixel art, and with zombies
Divisive · 59%Online Co-Op · SurvivalAlso like Left 4 Dead 2
Metro 2033 Redux
Dead Realm, but single-player, and solo
Loved · 92%Survival Horror · HorrorAlso like Left 4 Dead 2
WARMODE
Dead Realm, but free to play, and with zombies
Divisive · 62%Massively Multiplayer · SurvivalAlso like Left 4 Dead 2
The Evil Within
Dead Realm, but a third-person shooter, and third-person
Liked · 85%Survival Horror · HorrorAlso like Left 4 Dead 2
Arizona Sunshine VR Legacy
Left 4 Dead 2, but in VR, and a quarter of the hours
Mixed · 79%Zombies · SurvivalAlso like Dead Realm
Counter-Strike Nexon
Left 4 Dead 2, but free to play, and PvP
Mixed · 67%Zombies · FPSAlso like Dead Realm
Dead Island Riptide Definitive Edition
Left 4 Dead 2, but an action RPG, and a third of the hours
Mixed · 71%Zombies · Co-opAlso like Dead Realm
Dead Space 2
Left 4 Dead 2, but story-rich, and third-person
Loved · 94%Survival Horror · SurvivalAlso like Dead Realm
Z1 Battle Royale
Dead Realm, but a battle royale, and 12 times the hours
Divisive · 56%Survival · Massively MultiplayerAlso like Left 4 Dead 2
Don't Starve Together
Dead Realm, but a survival crafting game, and even better loved
Loved · 95%Survival · Survival HorrorAlso like Left 4 Dead 2
Insurgency: Sandstorm
Left 4 Dead 2, but realistic, and military
Liked · 85%FPS · ShooterAlso like Dead Realm
S.T.A.L.K.E.R.: Shadow of Chernobyl
Left 4 Dead 2, but single-player, and solo
Loved · 95%FPS · Post-apocalypticAlso like Dead Realm
How this list is made
Each game is measured against each of your picks the way a games-like list measures it: the Steam community tags, Steam genres and IGDB themes they share, each counting for more the fewer games carry it. A game's place is how alike it is to your picks together, as a share of each pick's best match, so one alike to two of them comes before one alike to just one. It must be close to at least one of them, as close as it would have to be on that game's own list.
None of your picks is on the list, nor a second release of one, nor a game of their own series. Up to 30 games are shown. Under each name, the kinds it shares with the pick it is closest to, and how it differs from that pick.