Games like bugTDX
Games like bugTDX include Vampire Survivors, Skul: The Hero Slayer, The Binding of Isaac, The Binding of Isaac: Rebirth, and Megabonk. We matched them by the tags players give bugTDX on Steam (Action Roguelike, Auto Battler, Tower Defense, Action, and Casual): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · 2D · Roguelike

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Roguelike

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

Megabonk
Shared: Action Roguelike · Roguelike · Action

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Indie

Dead Cells
Shared: Action Roguelike · Roguelike · 2D

BALL x PIT
Shared: Action · Action Roguelike · Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Action

Hades
Shared: Action Roguelike · Action · Roguelike

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

Rogue Legacy
Shared: Action Roguelike · Roguelike · Action

暖雪 Warm Snow
Shared: Action Roguelike · Roguelike · 2D

Noita
Shared: Roguelike · Action Roguelike · 2D

Dungreed
Shared: Action Roguelike · Action · Roguelike

Death Must Die
Shared: Action Roguelike · Action · 2D

Infinite Tao
Shared: Action Roguelike · Auto Battler · Action

Halls of Torment
Shared: Action Roguelike · Roguelike · Action

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D

Dome Keeper
Shared: Action · Roguelike · Tower Defense

Necrosmith
Shared: Action Roguelike · Tower Defense · Roguelike

Hero Siege
Shared: Action Roguelike · Roguelike · Action

UnderMine
Shared: Action Roguelike · Action · Indie

Noobs Want to Live
Shared: Action Roguelike · Action · Roguelike