Games like Hunter's Soul
Games like Hunter's Soul include UFO 50, The friends of Ringo Ishikawa, Broforce, Shovel Knight: Treasure Trove, and Vampire Survivors. We matched them by the tags players give Hunter's Soul on Steam (Action, RPG, Retro, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

UFO 50
Shared: Action · Retro · Pixel Graphics

The friends of Ringo Ishikawa
Shared: Action · RPG · Pixel Graphics

Broforce
Shared: Action · Pixel Graphics · 2D

Shovel Knight: Treasure Trove
Shared: Retro · Pixel Graphics · Action

Vampire Survivors
Shared: Pixel Graphics · 2D · Action

Infernax
Shared: Action · RPG · Pixel Graphics

SANABI
Shared: Action · Pixel Graphics · 2D

Sonic Mania
Shared: 2D · Retro · Pixel Graphics

Evoland 2
Shared: RPG · Action · Retro

Bloodstained: Curse of the Moon
Shared: Action · Retro · Pixel Graphics

CrossCode
Shared: RPG · Pixel Graphics · 2D

Dead Pixels
Shared: Action · Pixel Graphics · 2D

The Messenger
Shared: Retro · Pixel Graphics · 2D

Shotgun Legend
Shared: Action · RPG · 2D

Door Kickers: Action Squad
Shared: Action · Retro · Pixel Graphics

Katana ZERO
Shared: Action · Pixel Graphics · 2D

Hotline Miami
Shared: Action · Pixel Graphics · Retro

Chained Echoes
Shared: RPG · Pixel Graphics · 2D

Death Must Die
Shared: RPG · Pixel Graphics · Action

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Retro

Dungeon Munchies
Shared: Action · Pixel Graphics · RPG

STAR OCEAN THE SECOND STORY R
Shared: RPG · Action · Pixel Graphics

Terraria
Shared: 2D · Pixel Graphics · Action

Undertale
Shared: RPG · Pixel Graphics · 2D