Games like Path of Soul
Games like Path of Soul include Vampire Survivors, Crab Champions, Enter the Gungeon, Bit Blaster XL, and Exit the Gungeon. We matched them by the tags players give Path of Soul on Steam (Adventure, Casual, Roguelike, Shooter, and Arcade): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Roguelike · Casual

Crab Champions
Shared: Roguelike · Arcade · Casual

Enter the Gungeon
Shared: Roguelike · Bullet Hell · Adventure

Bit Blaster XL
Shared: Shooter · Bullet Hell · Arcade

Exit the Gungeon
Shared: Adventure · Arcade · Bullet Hell

Rabi-Ribi
Shared: Bullet Hell · Anime · Casual

Rabbit and Steel
Shared: Roguelike · Bullet Hell · Cute

Florence
Shared: Casual · Adventure · Indie

Pikuniku
Shared: Adventure · Casual · Cute

Rogue Legacy 2
Shared: Arcade · Adventure · Roguelike

Dead Cells
Shared: Adventure · Roguelike · 2D

Slime Rancher
Shared: Adventure · Cute · Casual

Touhou Hero of Ice Fairy
Shared: Bullet Hell · Side Scroller · Anime

Megabonk
Shared: Roguelike · Bullet Hell · Arcade

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Adventure · Casual · Bullet Hell

Touhou Endless Dream
Shared: Casual · Roguelike · Adventure

To The Core
Shared: Casual · Adventure · Arcade

Brotato
Shared: Roguelike · Bullet Hell · Arcade

Nova Drift
Shared: Arcade · Bullet Hell · Shooter

Scribblenauts Unlimited
Shared: Casual · Adventure · 2D

That's not my Neighbor
Shared: Adventure · Casual · Arcade

Planes, Bullets and Vodka
Shared: Casual · Arcade · Shooter

Minishoot' Adventures
Shared: Adventure · Bullet Hell · Casual

Home Behind
Shared: Adventure · Casual · Side Scroller