Games like NikNaks
Games like NikNaks include Darkest Dungeon®, 9 Kings, Slay the Spire, Slay the Spire 2, and Megaloot. We matched them by the tags players give NikNaks on Steam (Asynchronous Multiplayer, Creature Collector, Strategy RPG, Roguelike Deckbuilder, and RPG): closest matches first, and among equally close ones the better-known games.

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

9 Kings
Shared: RPG · Roguelike Deckbuilder · Strategy

Slay the Spire
Shared: Roguelike Deckbuilder · Roguelite · Roguelike

Slay the Spire 2
Shared: Roguelike Deckbuilder · Roguelike · Strategy

Megaloot
Shared: Dungeon Crawler · RPG · Roguelite

Chrono Ark
Shared: Roguelike Deckbuilder · RPG · Roguelite

Dicefolk
Shared: Roguelike Deckbuilder · Creature Collector · Turn-Based Combat

Crown Trick
Shared: RPG · Turn-Based Combat · Roguelite

He is Coming
Shared: RPG · Roguelite · Strategy

Lootbound
Shared: Turn-Based Combat · Strategy · Roguelite

For The King
Shared: RPG · Strategy · Roguelike

For The King II
Shared: RPG · Party-Based RPG · Strategy

Super Fantasy Kingdom
Shared: RPG · Roguelite · Strategy

Multiverse Loot Hunter
Shared: Creature Collector · RPG · Turn-Based Combat

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

Rune Dice
Shared: Roguelike Deckbuilder · Roguelite · Dungeon Crawler

Shogun Showdown
Shared: Strategy RPG · Roguelike Deckbuilder · Roguelike

Monster Train
Shared: Roguelite · Roguelike Deckbuilder · Roguelike

Aethermancer
Shared: Creature Collector · Party-Based RPG · Dungeon Crawler

The Last Spell
Shared: RPG · Strategy · Strategy RPG

Overlooting
Shared: Roguelite · Dungeon Crawler · RPG

Die in the Dungeon
Shared: Roguelike Deckbuilder · Strategy · Roguelike

Deep Sky Derelicts
Shared: Roguelike Deckbuilder · RPG · Strategy

Persona 3 Reload
Shared: RPG · Party-Based RPG · Turn-Based Combat