Games like DreamCell: Lost in Nightmares
Games like DreamCell: Lost in Nightmares include Vampire Survivors, Death Must Die, Enter the Gungeon, The Binding of Isaac, and Streets of Rogue. We matched them by the tags players give DreamCell: Lost in Nightmares on Steam (Action, Action Roguelike, Procedural Generation, Local Co-Op, and Cartoony): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Death Must Die
Shared: Action Roguelike · Action · RPG

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

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

Streets of Rogue
Shared: Action Roguelike · Action · RPG

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Local Co-Op · Indie

Hades
Shared: Action Roguelike · Action · Roguelite

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

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

Nuclear Throne
Shared: Action Roguelike · Action · Bullet Hell

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

Hades II
Shared: Action · Action Roguelike · Roguelite

Magicraft
Shared: Action Roguelike · Bullet Hell · RPG

UnderMine
Shared: Action Roguelike · Action · RPG

Pass the Fear
Shared: Action Roguelike · Action · Roguelite

Cultivation Story: Reincarnation
Shared: Action Roguelike · Action · RPG

Pathogenic
Shared: Local Co-Op · Action Roguelike · Bullet Hell

Broforce
Shared: Action · Local Co-Op · 2D

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · RPG

Juicy Realm
Shared: Action · Action Roguelike · RPG

Hero Siege
Shared: Action Roguelike · RPG · Action

God Of Weapons
Shared: Action Roguelike · RPG · Procedural Generation

Heroes of Hammerwatch
Shared: Action Roguelike · Action · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Action · Bullet Hell