Games like Two Sides of Hell
Games like Two Sides of Hell include Vampire Survivors, Enter the Gungeon, Nuclear Throne, Skul: The Hero Slayer, and Brotato. We matched them by the tags players give Two Sides of Hell on Steam (Action, Roguelike, Roguelite, Bullet Hell, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · Bullet Hell · Roguelike

Enter the Gungeon
Shared: Roguelike · Bullet Hell · Local Co-Op

Nuclear Throne
Shared: Roguelike · Action · Bullet Hell

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

Brotato
Shared: Roguelike · Bullet Hell · Local Co-Op

Megabonk
Shared: Roguelike · Roguelite · Bullet Hell

BALL x PIT
Shared: Action · Roguelite · Roguelike

Broforce
Shared: Action · Local Co-Op · Platformer

Halls of Torment
Shared: Roguelite · Bullet Hell · Roguelike

Rogue Legacy
Shared: Roguelike · Action · Platformer

Voidigo
Shared: Roguelike · Twin Stick Shooter · Bullet Hell

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

Atomicrops
Shared: Action · Roguelike · Bullet Hell

Nova Drift
Shared: Roguelite · Bullet Hell · Roguelike

Rogue: Genesia
Shared: Bullet Hell · Roguelite · Twin Stick Shooter

Dungreed
Shared: Roguelike · Action · Roguelite

Dead Cells
Shared: Roguelike · Roguelite · Action

Death Must Die
Shared: Roguelite · Bullet Hell · Action

Star of Providence
Shared: Roguelite · Bullet Hell · Action

Neon Abyss
Shared: Roguelike · Platformer · Shooter

Blazing Beaks
Shared: Roguelike · Roguelite · Action

Gunfire Reborn
Shared: Roguelike · Roguelite · Action

Risk of Rain 2
Shared: Roguelike · Action · Roguelite

Hades II
Shared: Action · Roguelike · Roguelite