Games like Harmony Overture
Games like Harmony Overture include 暖雪 Warm Snow, Skul: The Hero Slayer, Enter the Gungeon, Vampire Survivors, and Dead Cells. We matched them by the tags players give Harmony Overture on Steam (Action Roguelike, PvE, Point & Click, Shooter, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

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

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · 2D

Enter the Gungeon
Shared: Action Roguelike · Roguelike · 2D

Vampire Survivors
Shared: Action Roguelike · 2D · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · 2D

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

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

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

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Top-Down

Risk of Rain Returns
Shared: Action Roguelike · PvE · 2D

Blazing Beaks
Shared: Action Roguelike · Roguelike · Shooter

Crab Champions
Shared: Action Roguelike · Roguelike · Shooter

Halls of Torment
Shared: Action Roguelike · Roguelike · Action

Hades II
Shared: Action Roguelike · Roguelike · Action

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

Shape of Dreams
Shared: Action Roguelike · PvE · Top-Down

Hero Siege
Shared: Action Roguelike · Roguelike · Top-Down

Deadzone: Rogue
Shared: PvE · Roguelike · Shooter

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

Mina the Hollower
Shared: Action-Adventure · Female Protagonist · Top-Down

Noita
Shared: Roguelike · Action Roguelike · 2D

SKYHILL
Shared: Action Roguelike · Roguelike · Post-apocalyptic

Megabonk
Shared: Action Roguelike · Roguelike · Indie

Devil Slayer - Raksasi
Shared: Action Roguelike · Female Protagonist · Top-Down