Games like Fortune and Gloria
Games like Fortune and Gloria include Cuphead, Celeste, Spelunky 2, Vampire Survivors, and Touhou Hero of Ice Fairy. We matched them by the tags players give Fortune and Gloria on Steam (Side Scroller, 2D Platformer, Bullet Hell, Shoot 'Em Up, and Roguelite): closest matches first, and among equally close ones the better-known games.

Cuphead
Shared: Difficult · Platformer · Bullet Hell

Celeste
Shared: Difficult · 2D Platformer · Platformer

Spelunky 2
Shared: 2D Platformer · Platformer · Difficult

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

Touhou Hero of Ice Fairy
Shared: Bullet Hell · Side Scroller · Roguelite

Touhou Luna Nights
Shared: Side Scroller · Bullet Hell · Difficult

20XX
Shared: 2D Platformer · Platformer · Roguelite

Rogue Legacy 2
Shared: Platformer · Roguelite · Difficult

SANABI
Shared: 2D Platformer · Action · 2D

Skul: The Hero Slayer
Shared: Roguelite · Action · Side Scroller

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

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

30XX
Shared: 2D Platformer · Side Scroller · Roguelite

Shovel Knight: Treasure Trove
Shared: Platformer · Side Scroller · Difficult

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

Broforce
Shared: Side Scroller · Platformer · 2D

Hollow Knight
Shared: Platformer · Difficult · 2D

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Difficult

Enter the Gungeon
Shared: Bullet Hell · Difficult · Indie

Eryi's Action
Shared: 2D Platformer · Difficult · Platformer

Star of Providence
Shared: Bullet Hell · Roguelite · Shoot 'Em Up

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

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

Geometry Dash
Shared: Difficult · 2D · Platformer