Games like PixelJunk™ Monsters Ultimate
Games like PixelJunk™ Monsters Ultimate include Bloons TD 6, The Escapists 2, Bloons TD 5, Plants vs. Zombies GOTY Edition, and Overcooked! 2. We matched them by the tags players give PixelJunk™ Monsters Ultimate on Steam (Tower Defense, Strategy, Local Co-Op, Online Co-Op, and 2D): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Tower Defense · Strategy · Online Co-Op

The Escapists 2
Shared: Strategy · Online Co-Op · Co-op

Bloons TD 5
Shared: Tower Defense · Strategy · Co-op

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

Overcooked! 2
Shared: Local Co-Op · Online Co-Op · Co-op

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Co-op

Castle Crashers®
Shared: Online Co-Op · 2D · Co-op

Cuphead
Shared: Local Co-Op · Co-op · 2D

Dungeon Defenders
Shared: Tower Defense · Online Co-Op · Strategy

Awesomenauts
Shared: 2D · Local Co-Op · Strategy

Pit People®
Shared: Online Co-Op · Strategy · 2D

Ninja Kiwi Archive
Shared: Strategy · Tower Defense · Online Co-Op

Sanctum 2
Shared: Tower Defense · Strategy · Co-op

PICO PARK
Shared: Online Co-Op · Local Co-Op · Co-op

ShellShock Live
Shared: Strategy · 2D · Multiplayer

Dota 2
Shared: Strategy · Online Co-Op · Multiplayer

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Online Co-Op

Out of Space
Shared: Strategy · Local Co-Op · Co-op

Dungeon Defenders: Awakened
Shared: Online Co-Op · Tower Defense · Strategy

Monaco: What's Yours Is Mine
Shared: Co-op · Local Co-Op · Strategy

Orcs Must Die! 3
Shared: Tower Defense · Strategy · Co-op

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

BattleBlock Theater®
Shared: Co-op · Local Co-Op · Online Co-Op

Plague Inc: Evolved
Shared: Strategy · Singleplayer · Indie