Games like Ancient Gods
Games like Ancient Gods include Slay the Spire, Monster Train, Slay the Spire 2, Balatro, and Wildfrost. We matched them by the tags players give Ancient Gods on Steam (Card Battler, Turn-Based Tactics, Roguelite, Dungeon Crawler, and PvE): closest matches first, and among equally close ones the better-known games.

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

Monster Train
Shared: Card Battler · Roguelite · Turn-Based Tactics

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

Balatro
Shared: Card Game · Roguelike · Roguelite

Wildfrost
Shared: Card Battler · Turn-Based Tactics · Roguelite

Darkest Dungeon®
Shared: Dungeon Crawler · Difficult · Roguelike

9 Kings
Shared: Card Game · Roguelite · RPG

Black Book
Shared: Card Battler · Turn-Based Tactics · Dungeon Crawler

Griftlands
Shared: Card Battler · Roguelite · Card Game

Darkest Dungeon® II
Shared: Turn-Based Tactics · Roguelite · Dungeon Crawler

Roguebook
Shared: Roguelite · Card Game · RPG

Trials of Fire
Shared: Card Battler · Turn-Based Tactics · Roguelite

Die in the Dungeon
Shared: Card Battler · Roguelike · Card Game

HELLCARD
Shared: Card Battler · Roguelite · Roguelike

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

Banners of Ruin
Shared: Card Battler · Difficult · Card Game

Dicey Dungeons
Shared: Card Battler · Roguelite · Roguelike

Super Fantasy Kingdom
Shared: Roguelite · Roguelike · RPG

Inscryption
Shared: Card Battler · Card Game · Roguelite

He is Coming
Shared: Roguelite · Dungeon Crawler · Roguelike

LONESTAR
Shared: Turn-Based Tactics · Card Battler · Roguelike

Dice & Fold
Shared: Card Battler · Dungeon Crawler · Turn-Based Tactics

Ring of Pain
Shared: Dungeon Crawler · Roguelite · Card Game

StarVaders
Shared: Turn-Based Tactics · Roguelite · Difficult