Games like Save Your Mother
Games like Save Your Mother include Hades II, Diablo® IV, Eastward, CrossCode, and Black Myth: Wukong. We matched them by the tags players give Save Your Mother on Steam (Dungeon Crawler, PvE, Action RPG, Female Protagonist, and RPG): closest matches first, and among equally close ones the better-known games.

Hades II
Shared: Dungeon Crawler · Female Protagonist · RPG

Diablo® IV
Shared: Action RPG · Dungeon Crawler · RPG

Eastward
Shared: Action RPG · RPG · Story Rich

CrossCode
Shared: Action RPG · Female Protagonist · RPG

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

ATLYSS
Shared: Action RPG · RPG · Cute

AI LIMIT
Shared: Female Protagonist · Action RPG · RPG

ENDER MAGNOLIA: Bloom in the Mist
Shared: Female Protagonist · 2D · Action RPG

Finding Paradise
Shared: RPG · 2D · Story Rich

Minecraft Dungeons
Shared: Dungeon Crawler · RPG · Action RPG

Last Epoch
Shared: Action RPG · RPG · Dungeon Crawler

Swords and Souls: Neverseen
Shared: RPG · Action RPG · 2D

Torchlight II
Shared: Action RPG · Dungeon Crawler · RPG

Little Witch Nobeta
Shared: Cute · Female Protagonist · Funny

Clair Obscur: Expedition 33
Shared: RPG · Story Rich · Turn-Based Combat

Cat Quest
Shared: RPG · Cute · Action RPG

Dungeons of Sundaria
Shared: Dungeon Crawler · PvE · RPG

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

Undertale
Shared: RPG · Funny · Story Rich

WitchSpring R
Shared: RPG · Female Protagonist · Cute

Carto
Shared: Cute · Female Protagonist · Indie

Warframe
Shared: Action RPG · RPG · PvE

Granblue Fantasy: Relink
Shared: Action RPG · PvE · Story Rich

Grim Dawn
Shared: Action RPG · Dungeon Crawler · RPG