Games like Sanae Toumaden X2
Games like Sanae Toumaden X2 include Lost Ruins, Momodora: Reverie Under The Moonlight, Skul: The Hero Slayer, Katana ZERO, and Afterimage. We matched them by the tags players give Sanae Toumaden X2 on Steam (Anime, Action, 2D Platformer, Metroidvania, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Lost Ruins
Shared: Anime · Action · Metroidvania

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Metroidvania · Side Scroller

Skul: The Hero Slayer
Shared: Action · Metroidvania · Pixel Graphics

Katana ZERO
Shared: Action · 2D Platformer · Platformer

Afterimage
Shared: Anime · Metroidvania · 2D Platformer

ICEY
Shared: Action · Anime · Hack and Slash

Blasphemous 2
Shared: Metroidvania · 2D Platformer · Hack and Slash

SHINOBI: Art of Vengeance
Shared: Action · 2D Platformer · Metroidvania

The Messenger
Shared: Metroidvania · Platformer · Action

Rogue Legacy 2
Shared: Action · Metroidvania · Arcade

Dust: An Elysian Tail
Shared: Action · Metroidvania · Platformer

Momodora: Moonlit Farewell
Shared: Anime · Metroidvania · Action

Bloodstained: Curse of the Moon
Shared: Action · Metroidvania · Platformer

Rabi-Ribi
Shared: Anime · Metroidvania · Pixel Graphics

BlazBlue Entropy Effect
Shared: Action · Anime · Platformer

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

Broforce
Shared: Action · Platformer · Pixel Graphics

The Vagrant
Shared: Action · Metroidvania · 2D

Rogue Legacy
Shared: Action · Platformer · Metroidvania

Gensokyo Night Festival
Shared: Action · Metroidvania · Anime

Bloodstained: Ritual of the Night
Shared: Metroidvania · Action · Anime

Hollow Knight
Shared: Metroidvania · Platformer · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · Action · Pixel Graphics

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Platformer