Games like Mystic Forest
Games like Mystic Forest include Vampire Survivors, Dead Cells, Halls of Torment, 暖雪 Warm Snow, and Sephiria. We matched them by the tags players give Mystic Forest on Steam (Action Roguelike, Collectathon, Roguelite, Beat 'em up, and PvE): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

Sephiria
Shared: Action Roguelike · Roguelite · Roguelike

Death Must Die
Shared: Action Roguelike · Roguelite · RPG

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

Streets of Rogue
Shared: Action Roguelike · Roguelite · Roguelike

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Lost Castle
Shared: Action Roguelike · Beat 'em up · Roguelite

UnderMine
Shared: Action Roguelike · Roguelite · RPG

Hades II
Shared: Roguelite · Action Roguelike · Roguelike

Dungreed
Shared: Action Roguelike · Roguelite · Roguelike

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

Hero Siege
Shared: Action Roguelike · RPG · Roguelike

BALL x PIT
Shared: Roguelite · Action Roguelike · Action

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Rogue Legacy
Shared: Action Roguelike · Roguelike · Action

Rotwood
Shared: Roguelite · Beat 'em up · PvE

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

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

Magicraft
Shared: Action Roguelike · Roguelite · Roguelike

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

Moonlighter
Shared: Roguelite · Action Roguelike · Roguelike