Games like Castle Doombad Classic
Games like Castle Doombad Classic include Kingdom Rush - Tower Defense, Plants vs. Zombies GOTY Edition, Bloons TD 6, Kingdom Rush 5: Alliance TD, and Kingdom Rush Frontiers - Tower Defense. We matched them by the tags players give Castle Doombad Classic on Steam (Strategy, Tower Defense, Casual, Puzzle, and 2D): closest matches first, and among equally close ones the better-known games.

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

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

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · 2D

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

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

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

Relic Guardian - Tower Defense
Shared: Strategy · Tower Defense · 2D

Zuma Deluxe
Shared: Puzzle · Strategy · 2D

Kingdom Rush 6: Genesis TD
Shared: Strategy · Tower Defense · 2D

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Age of Defense
Shared: Strategy · Tower Defense · 2D

CHUCHEL
Shared: Casual · Cartoon · 2D

Defend Your Life: TD
Shared: Tower Defense · Strategy · Casual

Scribblenauts Unlimited
Shared: Casual · Puzzle · 2D

Rogue Tower
Shared: Strategy · Tower Defense · Casual

Zero Stress King: Idle Defense
Shared: Tower Defense · Strategy · Casual

Progressbar95
Shared: Casual · Puzzle · Tower Defense

Zup! S
Shared: Casual · Puzzle · 2D

Tangy TD
Shared: Strategy · Tower Defense · 2D

Is This Seat Taken?
Shared: Casual · Puzzle · Cute

Lost in Play
Shared: Puzzle · 2D · Funny

Among Us 3D
Shared: Strategy · Casual · Cartoon

My Suika – Kyo’s Fruit Merge
Shared: Strategy · Casual · Puzzle