Games like Fission Mirror Grid
Games like Fission Mirror Grid include 9 Kings, Balatro, Slay the Spire 2, Slay the Spire, and Super Fantasy Kingdom. We matched them by the tags players give Fission Mirror Grid on Steam (2D Platformer, Strategy, RPG, Roguelite, and Card Game): closest matches first, and among equally close ones the better-known games.

9 Kings
Shared: Strategy · RPG · Card Game

Balatro
Shared: Card Game · Strategy · Roguelike

Slay the Spire 2
Shared: Strategy · Card Game · Roguelike

Slay the Spire
Shared: Card Game · Strategy · Roguelike

Super Fantasy Kingdom
Shared: Strategy · RPG · Roguelite

Stoneshard
Shared: RPG · Strategy · Roguelike

Monster Train
Shared: Roguelite · Card Game · Turn-Based Strategy

Into the Breach
Shared: Strategy · Turn-Based Strategy · Roguelike

Journey to the West
Shared: RPG · Roguelite · Card Game

The Last Spell
Shared: Strategy · RPG · Turn-Based Strategy

Roguebook
Shared: RPG · Card Game · Strategy

Crown Trick
Shared: RPG · Roguelike · Roguelite

Die in the Dungeon
Shared: Strategy · Roguelike · Card Game

Griftlands
Shared: Roguelite · RPG · Strategy

Mewgenics
Shared: Roguelite · RPG · Turn-Based Strategy

Darkest Dungeon®
Shared: RPG · Roguelike · Turn-Based Combat

He is Coming
Shared: Strategy · RPG · Roguelite

Loop Hero
Shared: Roguelite · Roguelike · Card Game

Cross Blitz
Shared: Roguelite · RPG · Strategy

For The King II
Shared: Strategy · RPG · Turn-Based Strategy

Quasimorph
Shared: RPG · Strategy · Turn-Based Strategy

For The King
Shared: RPG · Strategy · Roguelike

Home Behind 2
Shared: Strategy · RPG · Roguelite

Chrono Ark
Shared: RPG · Strategy · Roguelite