Games like One More Night
Games like One More Night include Orcs Must Die! 2, Sanctum 2, PUBG: BATTLEGROUNDS, X-Morph: Defense, and ShellShock Live. We matched them by the tags players give One More Night on Steam (Action, Indie, Strategy, Early Access, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Orcs Must Die! 2
Shared: Action · Tower Defense · Strategy

Sanctum 2
Shared: Action · Tower Defense · Strategy

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Co-op

X-Morph: Defense
Shared: Action · Strategy · Indie

ShellShock Live
Shared: Strategy · Action · Shooter

Touhou Big Big Battle
Shared: Indie · Strategy · Early Access

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Action

Sanctum
Shared: Strategy · Action · Tower Defense

Orcs Must Die!
Shared: Action · Strategy · Tower Defense

Freeman: Guerrilla Warfare
Shared: Action · Strategy · Shooter

Bloons TD 5
Shared: Strategy · Action · Tower Defense

Police Stories
Shared: Action · Strategy · Co-op

Verdun
Shared: Co-op · Action · Shooter

PAYDAY 2
Shared: Action · Co-op · Shooter

Broforce
Shared: Action · Co-op · Indie

Bloons TD 6
Shared: Strategy · Tower Defense · Co-op

Deathtrap
Shared: Action · Tower Defense · Strategy

Rock of Ages 2: Bigger & Boulder™
Shared: Action · Strategy · Indie

Insurgency
Shared: Action · Shooter · Co-op

Rock of Ages
Shared: Indie · Strategy · Action

Interstellar Marines
Shared: Action · Indie · Co-op

GemCraft - Chasing Shadows
Shared: Indie · Strategy · Action

Guardians of Orion (Phase 2)
Shared: Action · Indie · Co-op

Arma 3
Shared: Action · Shooter · Co-op