Games like Hydraulic Empire
Games like Hydraulic Empire include Kingdom Rush - Tower Defense, Mount & Blade II: Bannerlord, Plague Inc: Evolved, Game Dev Tycoon, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give Hydraulic Empire on Steam (Casual, Tower Defense, Strategy, Action, and Indie): closest matches first, and among equally close ones the better-known games.

Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Casual

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Action

Plague Inc: Evolved
Shared: Strategy · Indie · Simulation

Game Dev Tycoon
Shared: Casual · Strategy · Indie

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual

Bloons TD 6
Shared: Tower Defense · Strategy · Casual

Rock 'N' Roll Defense
Shared: Tower Defense · Casual · Strategy

Plebby Quest: The Crusades
Shared: Casual · Strategy · Indie

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

Bloons TD 5
Shared: Tower Defense · Strategy · Casual

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

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Strategy · Indie

Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Strategy · Casual

Overdungeon
Shared: Strategy · Casual · Indie

Kingdom Rush Frontiers - Tower Defense
Shared: Tower Defense · Strategy · Casual

We Who Are About To Die
Shared: Action · Strategy · RPG

Bardbarian
Shared: Tower Defense · Casual · Strategy

Deathtrap
Shared: Tower Defense · Strategy · Action

Mini Motorways
Shared: Casual · Strategy · Simulation

Home Behind
Shared: Casual · RPG · Indie

GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Indie

Chinese Parents
Shared: Casual · Simulation · RPG

觅长生
Shared: Strategy · RPG · Indie

Dead Age
Shared: Strategy · RPG · Casual