Games like NoWaitHero
Games like NoWaitHero include Slay the Spire 2, Griftlands, Deep Sky Derelicts, Roguebook, and 9 Kings. We matched them by the tags players give NoWaitHero on Steam (Indie, Turn-Based Combat, Deckbuilding, Card Battler, and RPG): closest matches first, and among equally close ones the better-known games.

Slay the Spire 2
Shared: Deckbuilding · Turn-Based Combat · Indie

Griftlands
Shared: Card Battler · Deckbuilding · RPG

Deep Sky Derelicts
Shared: RPG · Indie · Card Battler

Roguebook
Shared: Indie · RPG · Deckbuilding

9 Kings
Shared: RPG · Deckbuilding · Turn-Based Combat

Slay the Spire
Shared: Card Battler · Deckbuilding · Indie

HELLCARD
Shared: Card Battler · Deckbuilding · Turn-Based Combat

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

Die in the Dungeon
Shared: Deckbuilding · Turn-Based Combat · Indie

Library Of Ruina
Shared: Deckbuilding · Turn-Based Combat · Indie

Gordian Quest
Shared: RPG · Card Battler · Indie

Deck of Ashes
Shared: Indie · Card Battler · Deckbuilding

Rune Coliseum
Shared: Turn-Based Combat · Deckbuilding · RPG

Inscryption
Shared: Card Battler · Deckbuilding · Indie

Path Of Wuxia
Shared: Indie · RPG · Turn-Based Combat

Monster Train
Shared: Card Battler · Deckbuilding · Turn-Based Combat

Overdungeon
Shared: Indie · RPG · Card Battler

Darkest Dungeon®
Shared: Turn-Based Combat · RPG · Indie

Rebellion GODSOUL: Awakening
Shared: Card Battler · RPG · Turn-Based Combat

Super Fantasy Kingdom
Shared: RPG · Deckbuilding · Turn-Based Combat

Swords and Souls: Neverseen
Shared: Indie · Turn-Based Combat · RPG

NEOVERSE
Shared: Deckbuilding · Card Battler · Indie

Dice & Fold
Shared: Card Battler · Turn-Based Combat · Deckbuilding

SteamWorld Quest: Hand of Gilgamech
Shared: Card Battler · RPG · Deckbuilding