Games like Dungeoneers
Games like Dungeoneers include Mewgenics, The Last Spell, Jagged Alliance 3, Darkest Dungeon® II, and Demeo. We matched them by the tags players give Dungeoneers on Steam (Turn-Based Tactics, Dungeon Crawler, Roguelite, Strategy RPG, and Tabletop): closest matches first, and among equally close ones the better-known games.

Mewgenics
Shared: Turn-Based Tactics · Roguelite · Turn-Based Strategy

The Last Spell
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Jagged Alliance 3
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

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

Demeo
Shared: Turn-Based Tactics · Strategy · RPG

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Tactics · Strategy RPG · Turn-Based Strategy

Fell Seal: Arbiter's Mark
Shared: Turn-Based Tactics · Strategy · RPG

STAR WARS Zero Company™
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Into the Breach
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Battle Brothers
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

Inkbound
Shared: Turn-Based Tactics · Roguelite · Strategy RPG

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: Turn-Based Tactics · RPG · Dungeon Crawler

Songs of Conquest
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy RPG

XCOM 2
Shared: Turn-Based Tactics · Strategy · RPG

Legends of Kingdom Rush
Shared: Turn-Based Tactics · Turn-Based Strategy · Roguelite

Crown Trick
Shared: Dungeon Crawler · Roguelite · RPG

Monster Train
Shared: Roguelite · Turn-Based Tactics · Turn-Based Strategy

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

Black Book
Shared: Turn-Based Tactics · Dungeon Crawler · Roguelite

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy RPG

Limbus Company
Shared: Turn-Based Tactics · Strategy · Strategy RPG

Prime of Flames
Shared: Turn-Based Tactics · Strategy RPG · Strategy

Warhammer 40,000: Mechanicus
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

MENACE
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy