Games like Syntax:Overload
Games like Syntax:Overload include Balatro, Slay the Spire 2, Monster Train, Slay the Spire, and Into the Breach. We matched them by the tags players give Syntax:Overload on Steam (Turn-Based Tactics, Traditional Roguelike, Roguelite, Card Game, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Card Game · Roguelike · Roguelite

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

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

Slay the Spire
Shared: Card Game · Roguelike · Roguelite

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

Alina of the Arena
Shared: Turn-Based Tactics · Roguelike · Card Game

Monster Train 2
Shared: Card Game · Turn-Based Tactics · Roguelike

Wildfrost
Shared: Turn-Based Tactics · Card Game · Roguelite

FrostBound
Shared: Card Game · Roguelike · Turn-Based Tactics

Shogun Showdown
Shared: Roguelike · Turn-Based Strategy · Turn-Based Tactics

9 Kings
Shared: Strategy · Card Game · Roguelike

RACCOIN: Coin Pusher Roguelike
Shared: Roguelike · Strategy · Roguelite

Roguebook
Shared: Card Game · Roguelite · Turn-Based Tactics

StarVaders
Shared: Turn-Based Tactics · Roguelite · Card Game

Warriors of the Nile
Shared: Turn-Based Tactics · Roguelite · Strategy

As We Descend
Shared: Card Game · Turn-Based Tactics · Roguelike

Loop Hero
Shared: Roguelite · Roguelike · Card Game

Cobalt Core
Shared: Card Game · Turn-Based Tactics · Turn-Based Strategy

LONESTAR
Shared: Turn-Based Tactics · Roguelike · Strategy

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Roguelike · Card Game · Strategy

Fights in Tight Spaces
Shared: Turn-Based Tactics · Strategy · Deckbuilding

Mewgenics
Shared: Turn-Based Tactics · Roguelite · Turn-Based Strategy

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

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