Games like Trial of Two
Games like Trial of Two include Hades, Shape of Dreams, Wizard of Legend, Hades II, and Lost Castle. We matched them by the tags players give Trial of Two on Steam (Action, 3D Fighter, Beat 'em up, Local Co-Op, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Action · Roguelite

Shape of Dreams
Shared: Action Roguelike · Action · Roguelite

Wizard of Legend
Shared: Action Roguelike · Action · Local Co-Op

Hades II
Shared: Action · Roguelite · Action Roguelike

Lost Castle
Shared: Beat 'em up · Action Roguelike · Dungeon Crawler

Judgment
Shared: Action · Beat 'em up · 3D Fighter

Absolum
Shared: Beat 'em up · Local Co-Op · Action

Rotwood
Shared: Beat 'em up · Dungeon Crawler · Roguelite

Lost Castle 2
Shared: Local Co-Op · Beat 'em up · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Action

Enter the Gungeon
Shared: Action Roguelike · Dungeon Crawler · Local Co-Op

Rampage Knights
Shared: Action · Beat 'em up · Action Roguelike

Going Under
Shared: Beat 'em up · Action Roguelike · Dungeon Crawler

Megabonk
Shared: Action Roguelike · Action · Roguelite

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Dungeon Crawler · Local Co-Op

Touhou Dystopian
Shared: Action · Action Roguelike · Roguelite

Risk of Rain 2
Shared: Action Roguelike · Action · Roguelite

Wrestling Empire
Shared: 3D Fighter · Beat 'em up · 3D

UnderMine
Shared: Action Roguelike · Action · Roguelite

Cult of the Lamb
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Mirror of Heaven
Shared: Beat 'em up · Action Roguelike · Action

Lost Judgment
Shared: Action · Beat 'em up · 3D Fighter

Ember Knights
Shared: Action Roguelike · Roguelite · Dungeon Crawler

Streets of Rogue
Shared: Action Roguelike · Action · Roguelite