Games like IMM Defense 2
Games like IMM Defense 2 include The Escapists, Plants vs. Zombies GOTY Edition, Bloons TD 5, Rise to Ruins, and Bloons TD 6. We matched them by the tags players give IMM Defense 2 on Steam (Tower Defense, Pixel Graphics, Strategy, Indie, and Action): closest matches first, and among equally close ones the better-known games.

The Escapists
Shared: Pixel Graphics · Strategy · Indie

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

Bloons TD 5
Shared: Tower Defense · Strategy · Action

Rise to Ruins
Shared: Tower Defense · Strategy · Pixel Graphics

Bloons TD 6
Shared: Tower Defense · Strategy · Casual

Cluckmech Oasis
Shared: Tower Defense · Strategy · Pixel Graphics

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

Plague Inc: Evolved
Shared: Strategy · Indie · Simulation

Papers, Please
Shared: Indie · Pixel Graphics · Simulation

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

Game Dev Tycoon
Shared: Strategy · Indie · Simulation

Your Only Move Is HUSTLE
Shared: Strategy · Action · Pixel Graphics

Totally Accurate Battle Simulator
Shared: Strategy · Simulation · Indie

Infectonator: Survivors
Shared: Strategy · Pixel Graphics · Indie

Until We Die
Shared: Pixel Graphics · Strategy · Tower Defense

Dungeon of the ENDLESS™
Shared: Tower Defense · Strategy · Pixel Graphics

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

Party Hard 2
Shared: Pixel Graphics · Indie · Action

Creeper World 3: Arc Eternal
Shared: Tower Defense · Strategy · Indie

UFO 50
Shared: Pixel Graphics · Indie · Action

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

Tangy TD
Shared: Tower Defense · Strategy · Action

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

Katana ZERO
Shared: Pixel Graphics · Action · Indie