Like more than one of them
15 games close to two or more of Unity of Command II, Left 4 Dead 2 and Terraria
Don't Starve Together
Terraria, but harder, and half the hours
Loved · 95%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
Project Zomboid
Terraria, but with zombies, and post-apocalyptic
Loved · 94%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
The Forest
Terraria, but a survival horror game, and a quarter of the hours
Loved · 96%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
Rust
Terraria, but a base builder, and PvP
Liked · 87%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
Grounded
Terraria, but with base building, and a third of the hours
Loved · 90%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
7 Days to Die
Terraria, but a base builder, and made of voxels
Liked · 87%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
Unturned
Left 4 Dead 2, but free to play, and a survival crafting game
Loved · 91%Zombies · SurvivalAlso like Terraria
Day of Infamy
Unity of Command II, but a first-person shooter, and realistic
Liked · 82%World War II · MilitaryAlso like Left 4 Dead 2
Dead Island Definitive Edition
Left 4 Dead 2, but an action RPG, and open world
Liked · 82%Zombies · SurvivalAlso like Terraria
Dead Rising 3
Terraria, but a hack and slash game, and a tenth of the hours
Mixed · 77%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
How to Survive
Left 4 Dead 2, but with crafting, and a third of the hours
Liked · 83%Zombies · SurvivalAlso like Terraria
Terminus: Zombie Survivors
Terraria, but a roguelike, and a turn-based strategy game
Loved · 94%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
Hurtworld
Terraria, but PvP, and more divisive
Mixed · 76%Open World Survival Craft · SurvivalAlso like Left 4 Dead 2
State of Decay 2
Left 4 Dead 2, but a base builder, and open world
Liked · 83%Zombies · SurvivalAlso like Terraria
Dying Light
Left 4 Dead 2, but with parkour, and open world
Loved · 95%Zombies · Survival HorrorAlso like Terraria
More like Unity of Command II
2 games closest to Unity of Command II of your picks
Warhammer 40,000: Gladius - Relics of War
Unity of Command II, but co-op, and sci-fi
Liked · 82%Hex Grid · Wargame
Sid Meier's Civilization VI
Unity of Command II, but three times the hours
Liked · 86%Grand Strategy · Turn-Based Strategy
More like Left 4 Dead 2
6 games closest to Left 4 Dead 2 of your picks
No More Room in Hell
Left 4 Dead 2, but free to play, and half the hours
Loved · 90%Zombies · Survival
More like Terraria
7 games closest to Terraria of your picks
Conan Exiles Enhanced
Terraria, but an MMO, and more divisive
Mixed · 79%Open World Survival Craft · Survival
Once Human
Terraria, but free to play, and a third-person shooter
Mixed · 79%Open World Survival Craft · Survival
Raft
Terraria, but a base builder, and a quarter of the hours
Loved · 93%Open World Survival Craft · Survival
Core Keeper
Terraria, but with base building, and half the hours
Loved · 93%Open World Survival Craft · Survival
Palworld
Terraria, but a creature collector, and half the hours
Loved · 95%Open World Survival Craft · Survival
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.