Games like Project: Cow
Games like Project: Cow include Shadow Tactics: Blades of the Shogun, Desperados III, Kingdom Rush - Tower Defense, XCOM: Enemy Unknown, and Aliens: Dark Descent. We matched them by the tags players give Project: Cow on Steam (Difficult, Stealth, Strategy, Aliens, and Tactical): closest matches first, and among equally close ones the better-known games.

Shadow Tactics: Blades of the Shogun
Shared: Stealth · Strategy · Tactical

Desperados III
Shared: Stealth · Strategy · Real Time Tactics

Kingdom Rush - Tower Defense
Shared: Strategy · Tactical · Funny

XCOM: Enemy Unknown
Shared: Strategy · Tactical · Difficult

Aliens: Dark Descent
Shared: Strategy · Tactical · Real Time Tactics

FTL: Faster Than Light
Shared: Strategy · Difficult · Space

The WereCleaner
Shared: Stealth · Strategy · Cartoony

Bloons TD 6
Shared: Strategy · Difficult · Cartoony

Commandos: Behind Enemy Lines
Shared: Stealth · Strategy · Tactical

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Difficult · Tactical

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Difficult · Funny

Geometry Dash
Shared: Difficult · Colorful · 2D

Totally Accurate Battle Simulator
Shared: Strategy · Funny · Colorful

Partisans 1941
Shared: Strategy · Stealth · Real Time Tactics

Shadow Tactics: Aiko's Choice
Shared: Strategy · Stealth · Real Time Tactics

Tangy TD
Shared: Strategy · Funny · Tactical

Plants vs. Zombies GOTY Edition
Shared: Strategy · Funny · Family Friendly

Plague Inc: Evolved
Shared: Strategy · Tactical · Indie

Hello Neighbor
Shared: Stealth · Difficult · Strategy

Heat Signature
Shared: Stealth · Strategy · Space

Commandos 2: Men of Courage
Shared: Strategy · Stealth · Tactical

Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · Difficult · 2D

Desperados: Wanted Dead or Alive
Shared: Strategy · Tactical · Stealth

Swarm Queen
Shared: Difficult · Strategy · Aliens