Games like Deadly Harvest
Games like Deadly Harvest include Vampire Survivors, Death Must Die, Halls of Torment, Skul: The Hero Slayer, and Megabonk. We matched them by the tags players give Deadly Harvest on Steam (Action, Casual, RPG, Pixel Graphics, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Pixel Graphics · Action Roguelike · Roguelite

Death Must Die
Shared: Pixel Graphics · RPG · Action Roguelike

Halls of Torment
Shared: Pixel Graphics · Action Roguelike · Action

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

Megabonk
Shared: Action Roguelike · Action · Roguelite

Hades
Shared: Action · Action Roguelike · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Shoot 'Em Up · Roguelite

UnderMine
Shared: Pixel Graphics · RPG · Action

Boneraiser Minions
Shared: Pixel Graphics · Action Roguelike · Roguelite

Dungreed
Shared: Pixel Graphics · Action · Action Roguelike

Rogue Legacy
Shared: Action · Action Roguelike · Singleplayer

BALL x PIT
Shared: Action · Roguelite · Shoot 'Em Up

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Singleplayer

Streets of Rogue
Shared: Pixel Graphics · RPG · Action

Dead Cells
Shared: Pixel Graphics · Action Roguelike · Roguelite

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

Sephiria
Shared: Action · Action Roguelike · Pixel Graphics

Hades II
Shared: Action · RPG · Roguelite

Timberman
Shared: Casual · Pixel Graphics · Action

Hero Siege
Shared: Pixel Graphics · RPG · Action Roguelike

Star of Providence
Shared: Action · Shoot 'Em Up · Roguelite

Soulstone Survivors
Shared: Action Roguelike · RPG · Roguelite

Rocket Rats
Shared: Casual · Pixel Graphics · Action Roguelike

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