Games like Serious Breakdown
Games like Serious Breakdown include SANABI, Skul: The Hero Slayer, Katana ZERO, Broforce, and Celeste. We matched them by the tags players give Serious Breakdown on Steam (Side Scroller, Action, 2D Platformer, Platformer, and Arcade): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

Skul: The Hero Slayer
Shared: Action · Indie · Pixel Graphics

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

Broforce
Shared: Action · Platformer · Pixel Graphics

Celeste
Shared: Platformer · 2D Platformer · Indie

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

Rogue Legacy 2
Shared: Action · Arcade · Platformer

Rogue Legacy
Shared: Platformer · Action · Indie

Gravity Circuit
Shared: Action · Platformer · Indie

Pizza Tower
Shared: 2D Platformer · Indie · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Action · Pixel Graphics

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

Mark of the Ninja
Shared: Platformer · Action · Side Scroller

Hollow Knight
Shared: Platformer · Indie · 2D

Downwell
Shared: Platformer · Indie · 2D Platformer

Deadlight
Shared: Action · Platformer · Side Scroller

Azure Striker Gunvolt
Shared: Action · Platformer · Indie

Bloodstained: Curse of the Moon
Shared: Action · Platformer · Side Scroller

Huntdown
Shared: Side Scroller · Action · Pixel Graphics

The Messenger
Shared: Platformer · Action · Pixel Graphics

Mark of the Ninja: Remastered
Shared: Action · Side Scroller · Platformer

Super Bernie World
Shared: Action · 2D Platformer · Indie

Rain World
Shared: Indie · Platformer · Atmospheric

Exit the Gungeon
Shared: Action · Arcade · Indie