Games like Tromblo's Adventure
Games like Tromblo's Adventure include Vampire Survivors, Enter the Gungeon, Skul: The Hero Slayer, Death Must Die, and Halls of Torment. We matched them by the tags players give Tromblo's Adventure on Steam (Action Roguelike, Bullet Hell, Twin Stick Shooter, Roguelite, and Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

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

Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelite

Voidigo
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

Dead Cells
Shared: Action Roguelike · Roguelite · 2D

Star of Providence
Shared: Bullet Hell · Action Roguelike · Roguelite

BALL x PIT
Shared: Bullet Hell · Roguelite · Action Roguelike

Blazing Beaks
Shared: Action Roguelike · Roguelite · Shooter

Snezhinka:Sentinel Girls2
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Roguelite

Cult of the Lamb
Shared: Action Roguelike · Roguelite · Cute

UnderMine
Shared: Action Roguelike · Roguelite · Action

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Roguelite

Marfusha:Sentinel Girls
Shared: Twin Stick Shooter · Action Roguelike · Shooter

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

Sephiria
Shared: Action Roguelike · Roguelite · Action

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Action-Adventure