Games like SuperNovem
Games like SuperNovem include Balatro, Loop Hero, Slay the Spire 2, Slay the Spire, and Cobalt Core. We matched them by the tags players give SuperNovem on Steam (Strategy, Card Game, Roguelike, Roguelite, and Turn-Based Tactics): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Card Game · Roguelike · Strategy

Loop Hero
Shared: Roguelike · Roguelite · Pixel Graphics

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

Slay the Spire
Shared: Card Game · Roguelike · Strategy

Cobalt Core
Shared: Card Game · Strategy · Roguelike

FTL: Faster Than Light
Shared: Strategy · Roguelike · Space

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

Slots & Daggers
Shared: Strategy · Roguelike · Roguelite

Vampire Survivors
Shared: Roguelite · Pixel Graphics · 2D

Dungeons & Degenerate Gamblers
Shared: Strategy · Roguelike · Card Game

9 Kings
Shared: Strategy · Roguelike · Card Game

Crying Suns
Shared: Strategy · Roguelite · Roguelike

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

Monster Train
Shared: Card Game · Roguelite · Roguelike

Inscryption
Shared: Card Game · Roguelike · Strategy

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

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

Ballionaire
Shared: Roguelike · Strategy · 2D

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

Combolands: Roguelike Citybuilder
Shared: Strategy · Roguelike · Roguelite

Roguebook
Shared: Card Game · Strategy · Roguelite

Peglin
Shared: Roguelike · Roguelite · Strategy

Luck be a Landlord
Shared: Strategy · Roguelite · Roguelike

Super Fantasy Kingdom
Shared: Strategy · Roguelike · Roguelite