Games like Journey to Monolith
Games like Journey to Monolith include Into the Breach, Peglin, The Last Spell, Crown Trick, and Balatro. We matched them by the tags players give Journey to Monolith on Steam (Strategy, Turn-Based Combat, Roguelike, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Into the Breach
Shared: Strategy · Pixel Graphics · Turn-Based Strategy

Peglin
Shared: Roguelike · Strategy · Roguelite

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

Crown Trick
Shared: Turn-Based Combat · Roguelike · Strategy

Balatro
Shared: Roguelike · Strategy · Pixel Graphics

Slay the Spire 2
Shared: Roguelike · Strategy · Turn-Based Combat

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

XCOM 2
Shared: Strategy · Turn-Based Combat · Tactical

FTL: Faster Than Light
Shared: Strategy · Roguelike · Perma Death

Loop Hero
Shared: Roguelike · Pixel Graphics · Roguelite

Stoneshard
Shared: Roguelike · Strategy · Pixel Graphics

Quasimorph
Shared: Turn-Based Combat · Strategy · Roguelike

Super Fantasy Kingdom
Shared: Strategy · Roguelike · Roguelite

Vampire Survivors
Shared: Pixel Graphics · Roguelite · 2D

Dead Cells
Shared: Roguelike · Pixel Graphics · 2D

Crying Suns
Shared: Strategy · Pixel Graphics · Roguelike

STAR WARS Zero Company™
Shared: Strategy · Turn-Based Combat · Turn-Based Strategy

Darkest Dungeon® II
Shared: Roguelite · Roguelike · Turn-Based Combat

Lootbound
Shared: Strategy · Turn-Based Combat · Roguelike

9 Kings
Shared: Strategy · Roguelike · Turn-Based Combat

Die in the Dungeon
Shared: Strategy · Roguelike · Turn-Based Combat

Shogun Showdown
Shared: Roguelike · Strategy · Pixel Graphics

The Dungeon Beneath
Shared: Roguelite · Strategy · Roguelike

Warriors of the Nile
Shared: Strategy · Turn-Based Combat · Roguelike