Games like Vertical Drop Heroes HD
Games like Vertical Drop Heroes HD include Vampire Survivors, Risk of Rain (2013), Streets of Rogue, Brotato, and Spelunky. We matched them by the tags players give Vertical Drop Heroes HD on Steam (Action Roguelike, Platformer, RPG, Roguelike, and 2D): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

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

Streets of Rogue
Shared: Action Roguelike · RPG · Roguelite

Brotato
Shared: Action Roguelike · Roguelike · Local Co-Op

Spelunky
Shared: Platformer · Action Roguelike · Roguelike

Risk of Rain 2
Shared: Action Roguelike · Co-op · Roguelike

Rogue Legacy
Shared: Platformer · Action Roguelike · Roguelike

Hero Siege
Shared: Action Roguelike · RPG · Co-op

Gunfire Reborn
Shared: Roguelike · Co-op · Roguelite

Children of Morta
Shared: Roguelike · Action Roguelike · RPG

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · 2D

Sephiria
Shared: Action Roguelike · Co-op · Roguelike

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

Magicite
Shared: RPG · Roguelike · Action Roguelike

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

Ravenswatch
Shared: Action Roguelike · Co-op · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · 2D

Roguelands
Shared: Action Roguelike · Roguelike · RPG

Hades
Shared: Action Roguelike · Roguelite · Roguelike

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

Cuphead
Shared: Co-op · Platformer · Local Co-Op

Dungreed
Shared: Action Roguelike · Roguelike · Roguelite

Ember Knights
Shared: Action Roguelike · Co-op · Roguelite

Broforce
Shared: Co-op · Platformer · 2D