Games like The Rift Rebels
Games like The Rift Rebels include Contra: Operation Galuga, Rogue Legacy 2, Terminator 2D: NO FATE, METAL SLUG, and SHINOBI: Art of Vengeance. We matched them by the tags players give The Rift Rebels on Steam (Action, Arcade, Side Scroller, Platformer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Contra: Operation Galuga
Shared: Action · Arcade · Platformer

Rogue Legacy 2
Shared: Arcade · Action · Platformer

Terminator 2D: NO FATE
Shared: Side Scroller · Arcade · Action

METAL SLUG
Shared: Action · Arcade · Side Scroller

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

SANABI
Shared: Action · 2D Platformer · Singleplayer

METAL SLUG 3
Shared: Arcade · Action · Side Scroller

Alex Jones: NWO Wars
Shared: Action · Arcade · 2D Platformer

Huntdown
Shared: Side Scroller · Action · Shoot 'Em Up

Rogue Legacy
Shared: Platformer · Action · Singleplayer

Contra Anniversary Collection
Shared: Action · Side Scroller · Platformer

Gravity Circuit
Shared: Action · Platformer · 2D Platformer

METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up

Soda Crisis
Shared: Action · Side Scroller · Platformer

METAL SLUG 2
Shared: Action · Arcade · Side Scroller

Thomas Was Alone
Shared: Side Scroller · Platformer · 2D Platformer

Guns, Gore & Cannoli
Shared: Action · Side Scroller · 2D

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Kero Blaster
Shared: Side Scroller · Platformer · Arcade

Broforce
Shared: Action · Platformer · 2D

pureya
Shared: Arcade · Side Scroller · Singleplayer

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

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

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up