Games like Dungeon League
Games like Dungeon League include Crawl, FORCED: Slightly Better Edition, Full Metal Furies, Stick Fight: The Game, and Black Myth: Wukong. We matched them by the tags players give Dungeon League on Steam (Indie, Action, RPG, 4 Player Local, and Local Multiplayer): closest matches first, and among equally close ones the better-known games.

Crawl
Shared: Indie · 4 Player Local · Local Multiplayer

FORCED: Slightly Better Edition
Shared: Action · RPG · Indie

Full Metal Furies
Shared: Action · Indie · RPG

Stick Fight: The Game
Shared: Action · Local Multiplayer · 4 Player Local

Black Myth: Wukong
Shared: Action · RPG · Action RPG

Overcooked! 2
Shared: Local Co-Op · 4 Player Local · Indie

Magicka
Shared: Action · RPG · Indie

TowerFall Ascension
Shared: Indie · Action · Local Multiplayer

Wolcen: Lords of Mayhem
Shared: RPG · Action RPG · Action

Move or Die
Shared: Action · Local Multiplayer · Indie

Duck Game
Shared: Action · Local Multiplayer · Indie

Chronicon
Shared: RPG · Action RPG · Indie

Juicy Realm
Shared: Indie · Action · RPG

Overcooked
Shared: Indie · Local Co-Op · Local Multiplayer

SpeedRunners
Shared: Indie · Local Multiplayer · Action

Last Epoch
Shared: RPG · Action RPG · Action

Broforce
Shared: Action · Indie · Local Co-Op

Hero Siege
Shared: RPG · Action RPG · Indie

Warhammer 40,000: Inquisitor - Martyr
Shared: RPG · Action · Action RPG

Bastion
Shared: Indie · Action · RPG

Lovers in a Dangerous Spacetime
Shared: 4 Player Local · Local Co-Op · Local Multiplayer

Gang Beasts
Shared: Action · Local Multiplayer · Indie

Warframe
Shared: Action · RPG · Action RPG

Hammerwatch
Shared: Indie · RPG · Action