GameMaker Free Version – GameMaker Help Centre

Operius: conheça o jogo de arcade offline do Opera GX

Opera and GameMaker launch free mobile web games publishing

Opera's Gaming Browser Adds a Built-In Game

Creator's Guide To The Opera GX Mobile Game Jam

Opera buys YoYo Games, the team behind GameMaker Studio

Opera GX and GameMaker team up for the Browser Mod Jam - Blog

Play-testing with Opera GX loads forever, but works with Windows target : r/ gamemaker

GameMaker Creator on Steam

GameMaker lets you develop games for free — create the next best indie PC game

Messing around in GameMaker with art, sounds, and math. Test 4 @Opera