Games like Cubemen 2
Games like Cubemen 2 include Bloons TD 6, Plague Inc: Evolved, Dungeon Defenders, Buckshot Roulette, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give Cubemen 2 on Steam (Indie, Strategy, Tower Defense, Multiplayer, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Multiplayer

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

Dungeon Defenders
Shared: Multiplayer · Tower Defense · Strategy

Buckshot Roulette
Shared: Multiplayer · Strategy · Indie

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

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

Mount & Blade II: Bannerlord
Shared: Strategy · Multiplayer · Singleplayer

Castle Story
Shared: Strategy · Multiplayer · Indie

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Singleplayer

Warstone TD
Shared: Strategy · Indie · Tower Defense

Sid Meier’s Civilization® VI
Shared: Strategy · Multiplayer · Singleplayer

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

Sanctum 2
Shared: Tower Defense · Strategy · Indie

Bloons TD 5
Shared: Strategy · Tower Defense · Multiplayer

Rock of Ages
Shared: Strategy · Indie · Tower Defense

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

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

Tower Wars
Shared: Strategy · Indie · Tower Defense

Defense Grid: The Awakening
Shared: Strategy · Tower Defense · Indie

Dungeon Defenders: Awakened
Shared: Multiplayer · Tower Defense · Singleplayer

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Multiplayer

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Singleplayer

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

The Escapists 2
Shared: Strategy · Multiplayer · Indie