Games like First Law
Games like First Law include Vampire Survivors, SANABI, Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad, Gun Rocket, and Celeste. We matched them by the tags players give First Law on Steam (2D Platformer, Arcade, 2D, Linear, and Casual): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: 2D · Pixel Graphics · Arcade

SANABI
Shared: 2D Platformer · Pixel Graphics · 2D

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Controller

Gun Rocket
Shared: Arcade · 2D · Controller

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

Super Meat Boy
Shared: 2D Platformer · 2D · Pixel Graphics

Downwell
Shared: Arcade · 2D Platformer · Pixel Graphics

To The Core
Shared: 2D · Arcade · Casual

Timberman
Shared: Casual · 2D · Pixel Graphics

Cyberhunt
Shared: Casual · Arcade · 2D

Exit the Gungeon
Shared: Arcade · 2D · 2D Platformer

UFO 50
Shared: 2D · Arcade · Pixel Graphics

Bit Blaster XL
Shared: Arcade · 2D · Controller

Gravity Circuit
Shared: 2D · 2D Platformer · Pixel Graphics

Webbed
Shared: 2D Platformer · 2D · Pixel Graphics

Orbt XL
Shared: Arcade · 2D · Controller

Sonic Origins
Shared: 2D Platformer · Pixel Graphics · Casual

Mind Over Magnet
Shared: 2D Platformer · 2D · Robots

Peggle Deluxe
Shared: Arcade · Casual · 2D

Noita
Shared: Pixel Graphics · 2D · Physics

BEEP
Shared: 2D · Casual · Adventure

DAVE THE DIVER
Shared: Pixel Graphics · Casual · Adventure

Shelldiver
Shared: Arcade · Casual · 2D

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