Games like Eternal Rift Defense
Games like Eternal Rift Defense include Shadowverse: Worlds Beyond, GWENT: The Witcher Card Game, Magic: The Gathering Arena, The Bazaar, and Slay the Spire. We matched them by the tags players give Eternal Rift Defense on Steam (Tower Defense, Deckbuilding, Trading Card Game, Strategy RPG, and MMORPG): closest matches first, and among equally close ones the better-known games.

Shadowverse: Worlds Beyond
Shared: Trading Card Game · Deckbuilding · Card Battler

GWENT: The Witcher Card Game
Shared: Deckbuilding · Trading Card Game · Card Game

Magic: The Gathering Arena
Shared: Trading Card Game · Deckbuilding · PvP

The Bazaar
Shared: Deckbuilding · Card Battler · PvE

Slay the Spire
Shared: Deckbuilding · Card Battler · Card Game

Inscryption
Shared: Deckbuilding · Card Battler · Card Game

Slay the Spire 2
Shared: Deckbuilding · Card Battler · Card Game

Monster Train
Shared: Deckbuilding · Card Battler · Card Game

Yu-Gi-Oh! Legacy of the Duelist
Shared: Deckbuilding · Card Battler · Trading Card Game

Cardfight!! Vanguard Dear Days
Shared: Trading Card Game · Deckbuilding · PvP

Animation Throwdown: The Quest for Cards
Shared: Trading Card Game · Card Battler · Deckbuilding

9 Kings
Shared: Deckbuilding · Strategy · RPG

SUPER DRAGON BALL HEROES WORLD MISSION
Shared: Deckbuilding · Card Battler · Card Game

Griftlands
Shared: Deckbuilding · Card Battler · RPG

Marvels Midnight Suns Digital Edition
Shared: Deckbuilding · Strategy RPG · Card Battler

Balatro
Shared: Deckbuilding · Card Game · Card Battler

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · PvP · PvE

Overdungeon
Shared: Deckbuilding · Card Battler · Tower Defense

Cardfight!! Vanguard Dear Days 2
Shared: Trading Card Game · Card Battler · Card Game

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Deckbuilding · Card Battler · Strategy

WARCANA
Shared: Deckbuilding · Tower Defense · Card Battler

RUNGORE
Shared: Trading Card Game · Card Battler · Strategy RPG

Gordian Quest
Shared: Card Battler · Card Game · RPG

Dungeon Defenders
Shared: Tower Defense · Strategy · Strategy RPG