24 games ranked by how much the tags Steam players vote on them overlap with Etrian Odyssey HD'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: Dungeon Crawler, Grid-Based Movement, JRPG, RPG, Party-Based RPG, Turn-Based Combat.

1·Labyrinth of Refrain: Coven of Dusk
99% match · Dungeon Crawler, Grid-Based Movement
80% of 1,468 reviews positive

2·Legend of Grimrock 2
94% match · Dungeon Crawler, Grid-Based Movement
91% of 4,087 reviews positive

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

4·The Bard's Tale IV: Barrows Deep
93% match · Dungeon Crawler, Turn-Based Combat
67% of 1,475 reviews positive

5·StarCrawlers
93% match · Dungeon Crawler, Turn-Based Combat
84% of 899 reviews positive

6·Wizardry 6: Bane of the Cosmic Forge
92% match · Dungeon Crawler, Turn-Based Combat
78% of 291 reviews positive

7·Battle Chasers: Nightwar
91% match · Turn-Based Combat, Dungeon Crawler
87% of 7,394 reviews positive

8·The Bard's Tale Trilogy
90% match · Dungeon Crawler, Grid-Based Movement
95% of 1,563 reviews positive

9·Wizardry 7: Crusaders of the Dark Savant
90% match · Dungeon Crawler, Grid-Based Movement
83% of 280 reviews positive

10·Heroes of the Monkey Tavern
90% match · Dungeon Crawler, Grid-Based Movement
73% of 437 reviews positive

11·Wizardry: The Five Ordeals
90% match · Dungeon Crawler, Turn-Based Combat
85% of 556 reviews positive

12·Touhou Artificial Dream in Arcadia
89% match · Dungeon Crawler, Turn-Based Combat
96% of 1,245 reviews positive

13·Moero Chronicle
88% match · Dungeon Crawler, JRPG
70% of 628 reviews positive

14·The Quest
88% match · Dungeon Crawler, Grid-Based Movement
86% of 541 reviews positive · 3 playing

15·DUNGEON ENCOUNTERS
88% match · Dungeon Crawler, Grid-Based Movement
70% of 559 reviews positive

16·Elminage Gothic
88% match · Dungeon Crawler, Grid-Based Movement
69% of 213 reviews positive

17·Wizardry 8
87% match · Dungeon Crawler, Turn-Based Combat
89% of 1,235 reviews positive

18·Swords and Sorcery - Underworld - Definitive Edition
87% match · Dungeon Crawler, Grid-Based Movement
75% of 113 reviews positive

19·Zavix Tower
86% match · Dungeon Crawler, Grid-Based Movement
73% of 344 reviews positive

20·Dungeon Of Dragon Knight
85% match · Dungeon Crawler, Grid-Based Movement
77% of 362 reviews positive

21·False Skies
83% match · Dungeon Crawler, Turn-Based Combat
92% of 109 reviews positive

22·FATE: Undiscovered Realms
83% match · Dungeon Crawler, RPG
82% of 490 reviews positive

23·Dungeon Rushers
83% match · Dungeon Crawler, Turn-Based Combat
62% of 1,235 reviews positive

24·Vambrace: Cold Soul
82% match · Dungeon Crawler, Turn-Based Combat
66% of 953 reviews positive
The closest matches to Etrian Odyssey HD on Steam are Labyrinth of Refrain: Coven of Dusk, Legend of Grimrock 2, Legend of Grimrock, The Bard's Tale IV: Barrows Deep, StarCrawlers. They rank highest because their Steam community tags overlap most with Etrian Odyssey HD's, and shared tags include Dungeon Crawler, Grid-Based Movement, JRPG.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Dungeon Crawler, Grid-Based Movement, JRPG count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Etrian Odyssey HD's. Popularity never affects the ranking.