Games like Conglomerate 451
Games like Conglomerate 451 include Darkest Dungeon®, Hades, Cyberpunk 2077, Crown Trick, and Battle Chasers: Nightwar. We matched them by the tags players give Conglomerate 451 on Steam (RPG, Indie, Cyberpunk, Dungeon Crawler, and Grid-Based Movement): closest matches first, and among equally close ones the better-known games.

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

Hades
Shared: Indie · Roguelite · RPG

Cyberpunk 2077
Shared: Cyberpunk · RPG · Singleplayer

Crown Trick
Shared: RPG · Dungeon Crawler · Turn-Based Combat

Battle Chasers: Nightwar
Shared: RPG · Turn-Based Combat · Dungeon Crawler

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

The Binding of Isaac: Rebirth
Shared: Indie · Dungeon Crawler · Singleplayer

觅长生
Shared: RPG · Indie · Turn-Based Combat

Legend of Grimrock
Shared: RPG · Dungeon Crawler · Indie

Transistor
Shared: Indie · Cyberpunk · RPG

StarCrawlers
Shared: RPG · Indie · Dungeon Crawler

Stoneshard
Shared: RPG · Dungeon Crawler · Singleplayer

UnderMine
Shared: RPG · Dungeon Crawler · Indie

The Last Spell
Shared: RPG · Singleplayer · Turn-Based Combat

Warhammer 40,000: Mechanicus
Shared: Turn-Based Combat · Indie · Singleplayer

Shadowrun Returns
Shared: RPG · Cyberpunk · Indie

Hades II
Shared: RPG · Roguelite · Dungeon Crawler

Quasimorph
Shared: RPG · Turn-Based Combat · Singleplayer

Legend of Grimrock 2
Shared: RPG · Dungeon Crawler · Grid-Based Movement

Dungeon of the ENDLESS™
Shared: Indie · RPG · Dungeon Crawler

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Singleplayer

Shadowrun: Hong Kong - Extended Edition
Shared: RPG · Cyberpunk · Indie

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Atmospheric · Singleplayer

XCOM 2
Shared: RPG · Turn-Based Combat · Singleplayer