Games like Knightica
Games like Knightica include Slay the Spire, Backpack Battles, Balatro, Backpack Hero, and Slay the Spire 2. We matched them by the tags players give Knightica on Steam (Auto Battler, Tower Defense, Deckbuilding, Turn-Based, and Roguelike): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Deckbuilding · Roguelike · Card Battler

Backpack Battles
Shared: Auto Battler · Inventory Management · Strategy

Balatro
Shared: Deckbuilding · Roguelike · Strategy

Backpack Hero
Shared: Turn-Based · Deckbuilding · Inventory Management

Slay the Spire 2
Shared: Deckbuilding · Roguelike · Strategy

9 Kings
Shared: Auto Battler · Roguelike · Deckbuilding

Super Fantasy Kingdom
Shared: Auto Battler · Roguelike · Strategy

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Roguelike

Villages & Dungeons
Shared: Auto Battler · Deckbuilding · Roguelike

Peglin
Shared: Deckbuilding · Roguelike · Turn-Based

Backpack Dungeon
Shared: Auto Battler · Deckbuilding · Inventory Management

The Bazaar
Shared: Auto Battler · Deckbuilding · Card Battler

Griftlands
Shared: Deckbuilding · Card Battler · Turn-Based

Inscryption
Shared: Deckbuilding · Card Battler · Roguelike

Monster Train
Shared: Deckbuilding · Card Battler · Roguelike

He is Coming
Shared: Auto Battler · Roguelike · Strategy

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

Wildfrost
Shared: Card Battler · Deckbuilding · Roguelike

Hero's Hour
Shared: Auto Battler · Turn-Based · Strategy

Roguebook
Shared: Deckbuilding · Turn-Based · Roguelike

Ratropolis
Shared: Deckbuilding · Card Battler · 2D

Across the Obelisk
Shared: Deckbuilding · Roguelike · Turn-Based Strategy

My Card Is Better Than Your Card!
Shared: Deckbuilding · Roguelike · Turn-Based

The Last Flame
Shared: Auto Battler · Roguelike · Strategy