Games like Skigill
Games like Skigill include Skul: The Hero Slayer, Vampire Survivors, Megabonk, The Binding of Isaac: Rebirth, and Enter the Gungeon. We matched them by the tags players give Skigill on Steam (Action, Action Roguelike, Roguelike, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

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

Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · 2D

Megabonk
Shared: Action Roguelike · Roguelike · Action

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

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Pixel Graphics

Dead Cells
Shared: Roguelike · Action Roguelike · Pixel Graphics

Hero Siege
Shared: Action Roguelike · Pixel Graphics · Roguelike

Dungreed
Shared: Action Roguelike · Roguelike · Action

Wizard of Legend
Shared: Action Roguelike · Roguelike · Pixel Graphics

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

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

Nuclear Throne
Shared: Action Roguelike · Roguelike · Pixel Graphics

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

BALL x PIT
Shared: Action · Roguelike · Action Roguelike

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

Rogue Legacy
Shared: Roguelike · Action Roguelike · Action

Noita
Shared: Roguelike · Pixel Graphics · 2D

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

Sephiria
Shared: Action Roguelike · Roguelike · Action

Hades
Shared: Action Roguelike · Action · Roguelike

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

Death Road to Canada
Shared: Action Roguelike · Pixel Graphics · Action

Hotline Miami
Shared: Action · Pixel Graphics · Top-Down

UnderMine
Shared: Action Roguelike · Pixel Graphics · Action