Games like Domain Defense
Games like Domain Defense include Overcooked! 2, Out of Space, Bloons TD 6, Overcooked, and Brawlhalla. We matched them by the tags players give Domain Defense on Steam (Casual, Strategy, Indie, Tower Defense, and Local Co-Op): closest matches first, and among equally close ones the better-known games.

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

Out of Space
Shared: Casual · Strategy · Indie

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Overcooked
Shared: Local Co-Op · Indie · Casual

Brawlhalla
Shared: Casual · Local Multiplayer · Co-op

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

Gang Beasts
Shared: Casual · Co-op · Indie

Plants vs. Zombies™: Replanted
Shared: Tower Defense · Casual · Local Co-Op

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Unrailed!
Shared: Casual · Co-op · Local Co-Op

X-Morph: Defense
Shared: Strategy · Tower Defense · Indie

Pummel Party
Shared: 4 Player Local · Casual · Co-op

CastleStorm
Shared: Indie · Tower Defense · Strategy

Stick Fight: The Game
Shared: Local Multiplayer · Casual · 4 Player Local

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

Moving Out
Shared: Casual · Indie · Local Co-Op

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

Golf With Your Friends
Shared: Casual · Indie · Co-op

Warstone TD
Shared: Strategy · Tower Defense · Indie

PixelJunk™ Monsters Ultimate
Shared: Strategy · Tower Defense · Local Co-Op

Lovers in a Dangerous Spacetime
Shared: Local Co-Op · Co-op · 4 Player Local

It Takes Two
Shared: Co-op · Local Co-Op · Split Screen

Rock of Ages
Shared: Strategy · Indie · Tower Defense

No Heroes Here
Shared: Strategy · Indie · Tower Defense