Games like OneBit Adventure
Games like OneBit Adventure include Darkest Dungeon®, Crown Trick, Darkest Dungeon® II, Legend of Keepers: Prologue, and Stoneshard. We matched them by the tags players give OneBit Adventure on Steam (Roguelike, Dungeon Crawler, Roguelite, RPG, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Darkest Dungeon®
Shared: Dungeon Crawler · Roguelike · RPG

Crown Trick
Shared: Roguelike · Dungeon Crawler · RPG

Darkest Dungeon® II
Shared: Roguelite · Dungeon Crawler · Roguelike

Legend of Keepers: Prologue
Shared: Dungeon Crawler · Roguelike · RPG

Stoneshard
Shared: Roguelike · RPG · Dungeon Crawler

Slice & Dice
Shared: Roguelike · Dungeon Crawler · Turn-Based Strategy

Mewgenics
Shared: Roguelite · Turn-Based Strategy · RPG

For The King II
Shared: RPG · Roguelike · Turn-Based Strategy

Megaloot
Shared: Dungeon Crawler · Roguelite · Roguelike

Rune Dice
Shared: Dungeon Crawler · Roguelike · Roguelite

Super Fantasy Kingdom
Shared: Roguelike · RPG · Roguelite

He is Coming
Shared: Roguelike · RPG · Roguelite

9 Kings
Shared: Roguelike · RPG · Roguelite

Noita
Shared: Roguelike · Dungeon Crawler · 2D

For The King
Shared: Roguelike · RPG · Roguelite

Home Behind 2
Shared: Roguelike · RPG · Roguelite

Hades II
Shared: Roguelike · Roguelite · Dungeon Crawler

Rotwood
Shared: Dungeon Crawler · Roguelite · Roguelike

Vampire Survivors
Shared: Roguelite · Roguelike · 2D

Hades
Shared: Roguelite · Roguelike · Dungeon Crawler

Dungeon Rushers
Shared: Dungeon Crawler · Roguelite · Roguelike

Slay the Spire 2
Shared: Roguelike · Turn-Based Combat · Roguelite

Slay the Spire
Shared: Roguelike · Roguelite · Dungeon Crawler

The Binding of Isaac: Rebirth
Shared: Roguelike · Dungeon Crawler · 2D