Games like Cybernetic Ninja Nuns
Games like Cybernetic Ninja Nuns include SANABI, Mina the Hollower, Celeste, Anomaly Agent, and Momodora: Reverie Under The Moonlight. We matched them by the tags players give Cybernetic Ninja Nuns on Steam (Side Scroller, 2D Platformer, Platformer, Arcade, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · 2D · Platformer

Mina the Hollower
Shared: Action-Adventure · 2D Platformer · Platformer

Celeste
Shared: Platformer · 2D Platformer · Female Protagonist

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

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

Broforce
Shared: Platformer · 2D · Side Scroller

Afterimage
Shared: 2D Platformer · Side Scroller · Female Protagonist

Castlevania: Belmont's Curse
Shared: 2D Platformer · Platformer · Female Protagonist

Katana ZERO
Shared: Platformer · 2D Platformer · Action

NINJA GAIDEN: Ragebound
Shared: Platformer · 2D Platformer · Side Scroller

Rogue Legacy 2
Shared: Arcade · Platformer · Action

BlazBlue Entropy Effect
Shared: Platformer · Action-Adventure · 2D

Pepper Grinder
Shared: 2D Platformer · Platformer · Arcade

The Messenger
Shared: Platformer · 2D · 2D Platformer

Super Meat Boy
Shared: Platformer · 2D Platformer · 2D

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Side Scroller · Action-Adventure · Arcade

Portal 2
Shared: Platformer · Dark Humor · Female Protagonist

Touhou Luna Nights
Shared: Side Scroller · Platformer · Female Protagonist

Skul: The Hero Slayer
Shared: Platformer · 2D · Action

Momodora: Moonlit Farewell
Shared: Side Scroller · Action-Adventure · 2D

20XX
Shared: Platformer · 2D Platformer · Side Scroller

Freedom Planet 2
Shared: Side Scroller · Platformer · Female Protagonist

SHINOBI: Art of Vengeance
Shared: 2D Platformer · Platformer · Side Scroller

Blade Assault
Shared: Platformer · 2D Platformer · Side Scroller