Games like Space Hack
Games like Space Hack include Hades, Hades II, Moonlighter, Heroes of Hammerwatch II, and Cinderia. We matched them by the tags players give Space Hack on Steam (Action Roguelike, Exploration, Hack and Slash, Dungeon Crawler, and Roguelite): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

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

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

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

Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite

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

Moon Hunters
Shared: Action Roguelike · Hack and Slash · Roguelite

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

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Hack and Slash

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

Army of Ruin
Shared: Action Roguelike · Exploration · Hack and Slash

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

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

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

Shape of Dreams
Shared: Action Roguelike · Hack and Slash · Roguelite

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

Mortal Sin
Shared: Action Roguelike · Hack and Slash · Dungeon Crawler

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

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

SWORN
Shared: Action Roguelike · Roguelite · Hack and Slash

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Exploration · Roguelite

SULFUR
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Gunfire Reborn
Shared: Roguelite · Action Roguelike · Roguelike