Games like Droid404
Games like Droid404 include Celeste, SANABI, Super Meat Boy, Thomas Was Alone, and Downwell. We matched them by the tags players give Droid404 on Steam (Casual, Precision Platformer, Side Scroller, 2D Platformer, and Parkour): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Pixel Graphics

SANABI
Shared: 2D Platformer · Action · Pixel Graphics

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

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

Downwell
Shared: Precision Platformer · 2D Platformer · Pixel Graphics

VVVVVV
Shared: Precision Platformer · 2D Platformer · Pixel Graphics

Super Fancy Pants Adventure
Shared: Casual · Action · Parkour

Geometry Dash
Shared: Precision Platformer · Singleplayer · Side Scroller

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

Sonic Origins
Shared: 2D Platformer · Action · Casual

Prince of Persia The Lost Crown
Shared: 2D Platformer · Side Scroller · Precision Platformer

Katana ZERO
Shared: Action · Pixel Graphics · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Singleplayer · Pixel Graphics

Jump King
Shared: Precision Platformer · Pixel Graphics · Action

Gravity Circuit
Shared: Action · 2D Platformer · Singleplayer

Broforce
Shared: Action · Pixel Graphics · Side Scroller

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

Sonic Superstars
Shared: Casual · 2D Platformer · Action

Sonic Mania
Shared: Side Scroller · Pixel Graphics · Platformer

Deadlight
Shared: Action · Side Scroller · Platformer

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

Ambidextro
Shared: Precision Platformer · 2D Platformer · Action

Planet of Lana
Shared: Action · 2D Platformer · Singleplayer

Super Meat Boy Forever
Shared: Precision Platformer · Action · Side Scroller