Games like For The Realm
Games like For The Realm include Slay the Spire 2, Slay the Spire, Warhammer: Vermintide 2, Balatro, and Chrono Ark. We matched them by the tags players give For The Realm on Steam (Roguelike Deckbuilder, Card Game, Online Co-Op, Roguelite, and Party-Based RPG): closest matches first, and among equally close ones the better-known games.

Slay the Spire 2
Shared: Card Game · Roguelike Deckbuilder · Co-op

Slay the Spire
Shared: Roguelike Deckbuilder · Card Game · Roguelite

Warhammer: Vermintide 2
Shared: Co-op · Online Co-Op · Dark Fantasy

Balatro
Shared: Card Game · Roguelike Deckbuilder · Strategy

Chrono Ark
Shared: Roguelike Deckbuilder · Card Game · Roguelite

Gloomhaven
Shared: Online Co-Op · Tactical RPG · Card Game

Baldur's Gate 3
Shared: RPG · Online Co-Op · Co-op

For The King
Shared: Online Co-Op · RPG · Co-op

For The King II
Shared: Party-Based RPG · Online Co-Op · Strategy

Gunfire Reborn
Shared: Roguelite · Online Co-Op · Co-op

9 Kings
Shared: Card Game · Roguelike Deckbuilder · Strategy

Across the Obelisk
Shared: Roguelike Deckbuilder · Card Game · Casual

Bloons TD 6
Shared: Online Co-Op · Co-op · Strategy

ELDEN RING NIGHTREIGN
Shared: Online Co-Op · Co-op · Roguelite

Wartales
Shared: Party-Based RPG · RPG · Co-op

Hand of Fate 2
Shared: Roguelike Deckbuilder · Card Game · Roguelite

HELLCARD
Shared: Co-op · Roguelite · RPG

ELDEN RING
Shared: RPG · Dark Fantasy · Online Co-Op

Fellowship
Shared: Online Co-Op · Party-Based RPG · RPG

Warhammer 40,000: Rogue Trader
Shared: RPG · Co-op · Tactical RPG

Overdungeon
Shared: Roguelike Deckbuilder · Strategy · Card Game

UNO
Shared: Card Game · Co-op · Online Co-Op

How to Fish
Shared: Online Co-Op · Co-op · Indie

Don't Starve Together
Shared: Co-op · Online Co-Op · Adventure