24 games ranked by how much the tags Steam players vote on them overlap with DROD: Gunthro and the Epic Blunder's. A rare tag counts for far more than one that sits on half the store, and popularity never moves a game up.
What they share most: Grid-Based Movement, Dungeon Crawler, Level Editor, RPG, Puzzle, Turn-Based.

1·Legend of Grimrock 2
84% match · Grid-Based Movement, Dungeon Crawler
91% of 4,087 reviews positive

2·Dungeon Of Dragon Knight
83% match · Grid-Based Movement, Dungeon Crawler
77% of 362 reviews positive

3·The Quest
83% match · Grid-Based Movement, Dungeon Crawler
86% of 541 reviews positive

4·Legend of Grimrock
79% match · Grid-Based Movement, Dungeon Crawler
93% of 6,747 reviews positive

5·Labyrinth of Refrain: Coven of Dusk
78% match · Dungeon Crawler, Grid-Based Movement
80% of 1,468 reviews positive

6·Wizardry 7: Crusaders of the Dark Savant
78% match · Grid-Based Movement, Dungeon Crawler
83% of 280 reviews positive

7·Elminage Gothic
78% match · Grid-Based Movement, Dungeon Crawler
69% of 213 reviews positive

8·The Fall of the Dungeon Guardians - Enhanced Edition
78% match · Grid-Based Movement, Dungeon Crawler
84% of 683 reviews positive

9·Stranger of Sword City
78% match · Dungeon Crawler, Grid-Based Movement
66% of 639 reviews positive

10·The Dungeon Of Naheulbeuk: The Amulet Of Chaos
78% match · Turn-Based, Turn-Based Tactics
87% of 8,103 reviews positive

11·Forrader Hero
78% match · Grid-Based Movement, Turn-Based
89% of 83 reviews positive

12·The Bard's Tale Trilogy
77% match · Grid-Based Movement, Dungeon Crawler
95% of 1,563 reviews positive

13·Might & Magic X - Legacy
77% match · Turn-Based, Grid-Based Movement
66% of 3,432 reviews positive

14·Zavix Tower
77% match · Grid-Based Movement, Dungeon Crawler
73% of 344 reviews positive

15·Swords and Sorcery - Underworld - Definitive Edition
77% match · Grid-Based Movement, Turn-Based
75% of 113 reviews positive

16·StarCrawlers
76% match · Grid-Based Movement, Dungeon Crawler
84% of 899 reviews positive

17·Chip's Challenge 2
76% match · Level Editor, Grid-Based Movement
86% of 148 reviews positive

18·Puzzle Ball
76% match · Level Editor, Puzzle
44% of 68 reviews positive

19·DUNGEON ENCOUNTERS
76% match · Grid-Based Movement, Dungeon Crawler
70% of 559 reviews positive

20·Heroes of the Monkey Tavern
76% match · Grid-Based Movement, Dungeon Crawler
73% of 437 reviews positive · 1 playing

21·DUSK '82: ULTIMATE EDITION
75% match · Grid-Based Movement, Level Editor
96% of 458 reviews positive

22·Dark Quest
75% match · Dungeon Crawler, Turn-Based
77% of 210 reviews positive

23·Camera Obscura
75% match · Level Editor, Pixel Graphics
72% of 1,538 reviews positive

24·Puzzle Tactics
75% match · Grid-Based Movement, Turn-Based Tactics
79% of 33 reviews positive
The closest matches to DROD: Gunthro and the Epic Blunder on Steam are Legend of Grimrock 2, Dungeon Of Dragon Knight, The Quest, Legend of Grimrock, Labyrinth of Refrain: Coven of Dusk. They rank highest because their Steam community tags overlap most with DROD: Gunthro and the Epic Blunder's, and shared tags include Grid-Based Movement, Dungeon Crawler, Level Editor.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Grid-Based Movement, Dungeon Crawler, Level Editor count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches DROD: Gunthro and the Epic Blunder's. Popularity never affects the ranking.