Input is a GameMaker Studio 2 input manager that unifies the native, piecemeal keyboard, mouse, and gamepad support to create an easy and robust mega-library. Input is built for GMS2022 and later, uses strictly native GML code, and is supported on every export platform that. MMO Engine 2 GameMaker Source Code. A downloadable tool for Windows. ... $14.99 USD or more. Learn to make online multiplayer games with this engine. Features: Server sided Players, Bullets, Health, Collision and Enemies for less for lag and less ... GameMaker, gamemaker-studio, gmz, MMORPG, Multiplayer, networking, online, souce-code, voice.