Games like Gone Down
Games like Gone Down include Super Meat Boy, Celeste, SANABI, VVVVVV, and Katana ZERO. We matched them by the tags players give Gone Down on Steam (Precision Platformer, Action, 2D Platformer, Difficult, and Platformer): closest matches first, and among equally close ones the better-known games.

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

Celeste
Shared: Precision Platformer · Difficult · 2D Platformer

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Jump King
Shared: Precision Platformer · Difficult · Action

Geometry Dash
Shared: Difficult · Precision Platformer · 2D

Downwell
Shared: Precision Platformer · Platformer · 2D Platformer

Ambidextro
Shared: Precision Platformer · Action · 2D Platformer

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

Dungeon Escape
Shared: Precision Platformer · 2D Platformer · Difficult

The Messenger
Shared: Platformer · Action · 2D

Gravity Circuit
Shared: Action · Platformer · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Action

Skul: The Hero Slayer
Shared: Action · 2D · Pixel Graphics

The End Is Nigh
Shared: Precision Platformer · Platformer · Difficult

Hollow Knight
Shared: Platformer · Difficult · 2D

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

Bloodstained: Curse of the Moon
Shared: Action · Platformer · 2D

Bloodstained: Curse of the Moon 2
Shared: Action · Platformer · Difficult

Alex Kidd in Miracle World DX
Shared: Precision Platformer · 2D Platformer · Difficult

Blasphemous 2
Shared: Difficult · 2D Platformer · Fantasy

Sonic Origins
Shared: Action · 2D Platformer · Platformer

Cuphead
Shared: Difficult · Platformer · 2D