Games like ICARUS84
Games like ICARUS84 include Hades, Hades II, Moonlighter, Wolcen: Lords of Mayhem, and Last Epoch. We matched them by the tags players give ICARUS84 on Steam (Action RPG, Hack and Slash, Dungeon Crawler, Arcade, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Hack and Slash · Action Roguelike · Roguelite

Hades II
Shared: Hack and Slash · Roguelike · Action Roguelike

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

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

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

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

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

Halls of Torment
Shared: Action Roguelike · Action RPG · Roguelite

Soulstone Survivors
Shared: Action RPG · Action Roguelike · Roguelite

Heroes of Hammerwatch II
Shared: Action RPG · Dungeon Crawler · Action Roguelike

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

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

Hero Siege
Shared: Action RPG · Hack and Slash · Action Roguelike

Vampire Survivors
Shared: Action Roguelike · Roguelite · Arcade

Death Must Die
Shared: Action Roguelike · Hack and Slash · RPG

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

Children of Morta
Shared: Hack and Slash · Roguelike · Action Roguelike

Jotunnslayer: Hordes of Hel
Shared: Hack and Slash · Action RPG · Action Roguelike

Megabonk
Shared: Action Roguelike · Roguelike · Roguelite

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

Cinderia
Shared: Hack and Slash · Action Roguelike · Dungeon Crawler

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

Brotato
Shared: Roguelike · Action Roguelike · Singleplayer

Lost Castle
Shared: Action Roguelike · Dungeon Crawler · Hack and Slash