Games like Monster Portal
Games like Monster Portal include Vampire Survivors, Hades, Halls of Torment, Enter the Gungeon, and Megabonk. We matched them by the tags players give Monster Portal on Steam (Action Roguelike, Bullet Hell, Hack and Slash, Dungeon Crawler, and Roguelite): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Hades
Shared: Action Roguelike · Hack and Slash · Roguelite
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Dungeon Crawler
Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite
Hades II
Shared: Hack and Slash · Action Roguelike · Roguelite
Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite
BALL x PIT
Shared: Bullet Hell · Roguelite · Action Roguelike
Shape of Dreams
Shared: Action Roguelike · Hack and Slash · Roguelite
Moonlighter
Shared: Hack and Slash · Action Roguelike · Dungeon Crawler
Dead Cells
Shared: Action Roguelike · Roguelite · Hack and Slash
Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Rogue: Genesia
Shared: Bullet Hell · Action Roguelike · Roguelite
Lost Castle
Shared: Action Roguelike · Dungeon Crawler · Hack and Slash
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite
Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite
Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike
Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Roguelite
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Dungeon Crawler · Roguelike
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike
Noita
Shared: Dungeon Crawler · Roguelike · Action Roguelike
The Binding of Isaac
Shared: Action Roguelike · Roguelike · Indie
Heroes of Hammerwatch II
Shared: Action Roguelike · Dungeon Crawler · Roguelite
暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Action-Adventure