Games like Rune Knights
Games like Rune Knights include Last Epoch, Grim Dawn, Path of Exile 2, Torchlight II, and Diablo® IV. We matched them by the tags players give Rune Knights on Steam (Hack and Slash, Dungeon Crawler, Action RPG, Character Customization, and RPG): closest matches first, and among equally close ones the better-known games.

Last Epoch
Shared: Hack and Slash · Action RPG · RPG

Grim Dawn
Shared: Hack and Slash · Action RPG · Dungeon Crawler

Path of Exile 2
Shared: Hack and Slash · Action RPG · RPG

Torchlight II
Shared: Hack and Slash · Action RPG · RPG

Diablo® IV
Shared: Hack and Slash · Action RPG · Dungeon Crawler

Path of Exile
Shared: Action RPG · Hack and Slash · Dungeon Crawler

Wolcen: Lords of Mayhem
Shared: Hack and Slash · Action RPG · RPG

Torchlight: Infinite
Shared: Hack and Slash · RPG · Action RPG

Titan Quest II
Shared: Hack and Slash · Action RPG · RPG

Monster Hunter: World
Shared: RPG · Character Customization · Action

Chronicon
Shared: Hack and Slash · Action RPG · Dungeon Crawler

Torchlight III
Shared: Hack and Slash · RPG · Action RPG

UNDECEMBER: The Farside
Shared: Hack and Slash · RPG · Action RPG

Minecraft Dungeons
Shared: Hack and Slash · Dungeon Crawler · RPG

Warframe
Shared: Action RPG · RPG · Third Person

The Incredible Adventures of Van Helsing
Shared: Hack and Slash · Action RPG · RPG

Wayfinder
Shared: Action RPG · Dungeon Crawler · Loot

Torchlight
Shared: Hack and Slash · Action RPG · Dungeon Crawler

MONSTER HUNTER RISE
Shared: Character Customization · RPG · Action RPG

Dungeons of Sundaria
Shared: Dungeon Crawler · Hack and Slash · RPG

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

The Slormancer
Shared: Hack and Slash · Dungeon Crawler · Action RPG

Hogwarts Legacy
Shared: RPG · Character Customization · Fantasy

Dragon's Dogma 2
Shared: Action RPG · RPG · Character Customization