Games like Rocket Knight
Games like Rocket Knight include Shovel Knight: Treasure Trove, Sonic Mania, Bloodstained: Curse of the Moon, Broforce, and SANABI. We matched them by the tags players give Rocket Knight on Steam (Action, Adventure, Platformer, Side Scroller, and Retro): closest matches first, and among equally close ones the better-known games.

Shovel Knight: Treasure Trove
Shared: Platformer · Retro · Adventure

Sonic Mania
Shared: Platformer · Retro · Adventure

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

Broforce
Shared: Action · Platformer · Side Scroller

SANABI
Shared: Action · Adventure · Platformer

Bloodstained: Ritual of the Night
Shared: Action · Adventure · Side Scroller

Sonic Adventure 2
Shared: Action · Platformer · Adventure

Sonic Adventure DX
Shared: Platformer · Adventure · Action

DuckTales: Remastered
Shared: Adventure · Platformer · Action

Deadlight
Shared: Action · Platformer · Adventure

Sonic Origins
Shared: Action · Adventure · Retro

Rayman® Legends
Shared: Adventure · Platformer · Action

Castlevania Anniversary Collection
Shared: Action · Adventure · Platformer

Angry Video Game Nerd Adventures
Shared: Action · Platformer · Adventure

Wonder Boy: The Dragon's Trap
Shared: Adventure · Action · Platformer

Eastern Exorcist
Shared: Action · Side Scroller · Adventure

NINJA GAIDEN: Ragebound
Shared: Action · Platformer · Side Scroller

Ori and the Will of the Wisps
Shared: Platformer · Action · Adventure

Mega Man 11
Shared: Action · Platformer · Side Scroller

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

ICEY
Shared: Action · Adventure · Side Scroller

STRIDER
Shared: Action · Platformer · Side Scroller

Gato Roboto
Shared: Action · Adventure · Platformer

F.I.S.T.: Forged In Shadow Torch
Shared: Action · Platformer · Adventure