Games like Falling As Lightning
Games like Falling As Lightning include Slay the Spire, Balatro, Slay the Spire 2, GWENT: The Witcher Card Game, and Inscryption. We matched them by the tags players give Falling As Lightning on Steam (Card Game, Deckbuilding, Strategy, War, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Card Game · Deckbuilding · Strategy

Balatro
Shared: Card Game · Deckbuilding · Strategy

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

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

Inscryption
Shared: Card Game · Deckbuilding · Card Battler

Library Of Ruina
Shared: Card Game · Strategy · Deckbuilding

Magic: The Gathering Arena
Shared: Card Game · Strategy · Deckbuilding

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

Stacklands
Shared: Card Game · Strategy · Card Battler

DICEOMANCER
Shared: Card Game · Strategy · Deckbuilding

Shadowverse: Worlds Beyond
Shared: Deckbuilding · Card Battler · Strategy

Ratropolis
Shared: Deckbuilding · Strategy · Card Game

9 Kings
Shared: Strategy · Card Game · Deckbuilding

Roguebook
Shared: Card Game · Deckbuilding · Strategy

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Card Game

Griftlands
Shared: Deckbuilding · Card Game · Card Battler

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

Commander Quest
Shared: Card Game · War · Strategy

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

None Shall Intrude
Shared: Card Game · Strategy · Card Battler

The Bazaar
Shared: Strategy · Deckbuilding · Card Game

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

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

Wildfrost
Shared: Card Game · Card Battler · Deckbuilding