Games like Dragon Assault
Games like Dragon Assault include Bloons TD 6, Rogue Tower, Balatro, Mirror 2: Project X, and Apocalypse Party. We matched them by the tags players give Dragon Assault on Steam (Dragons, Casual, Singleplayer, 3D, and Roguelike): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Singleplayer · Casual · 3D

Rogue Tower
Shared: Casual · Roguelike · 3D

Balatro
Shared: Roguelike · Singleplayer · Casual

Mirror 2: Project X
Shared: 3D · Singleplayer · Casual

Apocalypse Party
Shared: Casual · Singleplayer · Roguelike

Megabonk
Shared: Roguelike · Singleplayer · 3D

Brotato
Shared: Singleplayer · Roguelike · Casual

Demonic Mahjong
Shared: Casual · Roguelike · 3D

Vampire Survivors
Shared: Singleplayer · Casual · Roguelike

PowerWash Simulator
Shared: Casual · 3D · Singleplayer

How Many Dudes? The Roguelike Autobattler
Shared: Casual · Singleplayer · Roguelike

Poker Night at the Inventory
Shared: Casual · 3D · Singleplayer

Ballionaire
Shared: Singleplayer · Casual · Roguelike

Librarian: Tidy Up the Arcane Library!
Shared: Singleplayer · Casual · 3D

Berry Bury Berry
Shared: 3D · Singleplayer · Casual

Slice & Dice
Shared: Dragons · Casual · Roguelike

ELDEN RING NIGHTREIGN
Shared: Roguelike · Singleplayer · 3D

RACCOIN: Coin Pusher Roguelike
Shared: Roguelike · Singleplayer · Casual

CloverPit
Shared: Roguelike · 3D · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Singleplayer · Casual

DJMAX RESPECT V
Shared: Casual · Singleplayer · 3D

Slime Rancher 2
Shared: Singleplayer · Casual · 3D

MUSYNX
Shared: Singleplayer · Casual · 3D

DAVE THE DIVER
Shared: Casual · Singleplayer