Games like Whale Captain
Games like Whale Captain include Bit Blaster XL, Cuphead, Kero Blaster, Touhou Luna Nights, and Geometry Dash. We matched them by the tags players give Whale Captain on Steam (Side Scroller, Bullet Hell, Shoot 'Em Up, Difficult, and Platformer): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Cuphead
Shared: Difficult · Platformer · Bullet Hell
Kero Blaster
Shared: Side Scroller · Shoot 'Em Up · Platformer
Touhou Luna Nights
Shared: Side Scroller · Bullet Hell · Difficult
Geometry Dash
Shared: Difficult · 2D · Platformer
Jets'n'Guns Gold
Shared: Side Scroller · Shoot 'Em Up · Bullet Hell
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Rise & Shine
Shared: Side Scroller · Bullet Hell · Shoot 'Em Up
Sine Mora
Shared: Shoot 'Em Up · Bullet Hell · Side Scroller
Hollow Knight
Shared: Platformer · Difficult · 2D
Huntdown
Shared: Side Scroller · Shoot 'Em Up · Shooter
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Rogue Legacy 2
Shared: Platformer · Arcade · Difficult
Broforce
Shared: Platformer · 2D · Side Scroller
METAL SLUG
Shared: Side Scroller · Shoot 'Em Up · Arcade
Guns, Gore & Cannoli
Shared: Side Scroller · Shoot 'Em Up · 2D
METAL SLUG 3
Shared: Side Scroller · Arcade · Shooter
Sine Mora EX
Shared: Side Scroller · Bullet Hell · Shoot 'Em Up
Vampire Survivors
Shared: Bullet Hell · 2D · Arcade
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Difficult
My Friend Pedro
Shared: Shooter · Side Scroller · Bullet Time
Contra Anniversary Collection
Shared: Side Scroller · Platformer · Difficult