Games like Thunder Tank: Iron Shield
Games like Thunder Tank: Iron Shield include Vampire Survivors, Balatro, ShellShock Live, Brotato, and RACCOIN: Coin Pusher Roguelike. We matched them by the tags players give Thunder Tank: Iron Shield on Steam (Casual, Strategy, 2D Platformer, Bullet Hell, and Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Casual · Roguelike

Balatro
Shared: Roguelike · Strategy · Singleplayer

ShellShock Live
Shared: Strategy · Tanks · Casual

Brotato
Shared: Roguelike · Bullet Hell · Singleplayer

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

Plague Inc: Evolved
Shared: Strategy · Casual · Singleplayer

Megabonk
Shared: Roguelike · Bullet Hell · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

Home Behind
Shared: Casual · Strategy · Singleplayer

Slots & Daggers
Shared: Casual · Strategy · Roguelike

FTL: Faster Than Light
Shared: Strategy · Roguelike · Singleplayer

Ballionaire
Shared: Casual · Strategy · Roguelike

Astro Prospector
Shared: Casual · Roguelike · Bullet Hell

Apocalypse Party
Shared: Casual · Bullet Hell · Singleplayer

Pass the Fear
Shared: Bullet Hell · Strategy · Roguelike

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

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

Game Dev Tycoon
Shared: Strategy · Casual · Singleplayer

Enter the Gungeon
Shared: Bullet Hell · Roguelike · Indie

Timber Rush
Shared: Casual · Strategy · Roguelike

Nubby's Number Factory
Shared: Strategy · Roguelike · Singleplayer

Idle Champions of the Forgotten Realms
Shared: Strategy · Idler · Casual

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

Slay the Spire
Shared: Roguelike · Strategy · Singleplayer