Games likeOperation: Outbreak Idle

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AA

Operation: Outbreak

37% matchZombies, Military, Similar premise

76%537 reviews
Obscure

Artificial Extinction 2

31% matchTower Defense, Military

77%122 reviews
Obscure

Spirit of the Dome

33% matchTower Defense, Top-Down Shooter, steam achievements

83%12 reviews
Indie

Orc Incremental

36% matchIncremental, Idler, steam achievements

75%637 reviews
AA

SAS: Zombie Assault 4

40% matchZombies, Top-Down Shooter

85%9.7K reviewsDeck
Obscure

Epidemic

34% matchZombies, Tower Defense

31%16 reviews
AA

Vital Shell

37% matchBullet Heaven, Bullet Hell, steam achievements

96%1.8K reviewsDeck
Indie

Yet Another Zombie Defense HD

39% matchZombies, Tower Defense

83%2.6K reviews
Obscure

Board game party

24% matchStrategy, Casual, steam achievements

80%52 reviews
Indie

Zombie Builder Defense

41% matchZombies, Tower Defense

67%514 reviews
Indie

Plants vs. Zombies GOTY Edition

42% matchTower Defense, Zombies

97%144.5K reviews
Obscure

Dead On Duty

35% matchZombies, Survival

100%12 reviews
Obscure

Tower Tactics II

31% matchTower Defense, Strategy, steam achievements

96%101 reviews
Obscure

Blitzkrieg Express

31% matchTower Defense, Shoot 'Em Up

74%127 reviews
Indie

Sanctum

40% matchTower Defense, Strategy, steam achievements

90%2K reviews
Obscure

Wielders of the Essence

32% matchBullet Heaven, Incremental

93%349 reviewsDeck
AA

Army of Ruin

36% matchBullet Heaven, Bullet Hell

87%2.4K reviewsDeck
Indie

Zombidle : REMONSTERED

35% matchZombies, Incremental

85%1.8K reviews
Obscure

VataZombie

31% matchTower Defense, Zombies

93%15 reviews
Obscure

Survivor Mercs

33% matchBullet Heaven, Bullet Hell

69%146 reviewsDeck
Obscure

Borderwatch: Dark Armada

31% matchTower Defense, Zombies

83%55 reviews
Obscure

Bomb Vehicle Idle Clicker

32% matchIncremental, Idler, Similar premise

75%116 reviews
Obscure

A ARMY BASE

28% matchZombies, Military

55%52 reviews
Obscure

Living Dead House

31% matchZombies, steam achievements

95%23 reviews
Obscure

I Missed the Apocalypse

34% matchTower Defense, Survival

85%28 reviews
Obscure

Starfend

32% matchBullet Heaven, Tower Defense

90%10 reviews
Indie

Space Pirates and Zombies

30% matchZombies, Top-Down, steam achievements

91%2.2K reviews
Obscure

Dread Protocol

27% matchStylized, Combat, steam achievements

84%25 reviewsDeck
Obscure

Transport Legion

32% matchTower Defense, Strategy, steam achievements

81%76 reviews
AA

R.I.P. - Reincarnation Insurance Program

34% matchBullet Heaven, Zombies

77%3.3K reviewsDeck
AA

20 Minutes Till Dawn

35% matchBullet Heaven, Bullet Hell

90%27.9K reviewsDeck
Indie

觅长生

23% matchStrategy, Colorful, steam achievements

93%27.1K reviews
AA

Idle Monster TD

36% matchTower Defense, Idler

72%857 reviews
Obscure

Regnum Idle

34% matchIncremental, Idler, Similar premise

63%19 reviews
Indie

瘟疫清零计划 Project Zero

34% matchZombies, Shoot 'Em Up

92%3.7K reviews
AA

Apocalypse Party

33% matchZombies, Bullet Hell

72%4.7K reviews
Indie

Astro Prospector

34% matchBullet Heaven, Bullet Hell, steam achievements

91%3.3K reviewsDeck
Obscure

The Trivial Dead

29% matchZombies, Top-Down

90%10 reviews
Obscure

My Last 20

28% matchBullet Hell, Survival

94%34 reviews
Obscure

Stick Infinite Kingdom

31% matchTower Defense, Strategy, steam achievements

66%56 reviews
AAA

Left 4 Dead

37% matchZombies, Survival, steam achievements

96%58.7K reviews16 h
Obscure

Reptilarium

33% matchIncremental, Idler, steam achievements

72%11 reviews
Indie

Megabonk

38% matchBullet Heaven, Bullet Hell, steam achievements

94%101.4K reviewsDeck
Obscure

Lazy Lord: War on the Desktop

37% matchTower Defense, Idler, steam achievements

94%18 reviews
Obscure

Operation: Surface Takeover

30% matchTower Defense, Military

90%11 reviews
Obscure

Tuin

28% matchIncremental, Idler, steam achievements

76%130 reviews
Obscure

Idle Zombies Clicker

34% matchZombies, Incremental, Similar premise

57%14 reviews
Obscure

Scourge: Outbreak

29% matchShooter, steam achievements

65%229 reviews