Games like Jylko: Through The Song
Games like Jylko: Through The Song include Enter the Gungeon, Vampire Survivors, Megabonk, Rogue: Genesia, and 20 Minutes Till Dawn. We matched them by the tags players give Jylko: Through The Song on Steam (Action Roguelike, Bullet Hell, Twin Stick Shooter, Deckbuilding, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Dungeon Crawler

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Casual

Megabonk
Shared: Action Roguelike · Bullet Hell · Survival

Rogue: Genesia
Shared: Bullet Hell · Action Roguelike · Twin Stick Shooter

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Survival

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Arcade

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Deckbuilding

Brotato
Shared: Bullet Hell · Action Roguelike · Survival

Dead Estate
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

Windowkill
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

Crab Champions
Shared: Action Roguelike · Bullet Hell · Arcade

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · PvE

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Arcade

Death Must Die
Shared: Action Roguelike · Bullet Hell · 2D

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Indie

Star of Providence
Shared: Bullet Hell · Action Roguelike · Dungeon Crawler

Nova Drift
Shared: Bullet Hell · Action Roguelike · Arcade

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

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Casual

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · 2D

Relic Hunters Zero: Remix
Shared: Twin Stick Shooter · Action Roguelike · Bullet Hell

Time Wasters
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

Desktop Survivors 98
Shared: Action Roguelike · Bullet Hell · Dungeon Crawler

Infinite Tao
Shared: Action Roguelike · Bullet Hell · Deckbuilding