To make multi-platform 2D games, GameMaker Studio is definitely not inferior to the well-known and popular Unity which is one-size-fits-all to both 2D & 3D games development. Of course, as for merely 3D game development, AppNee suggests you choose the Unity instead. Because this task is beyond the strength and power of GameMaker Studio. This advice is especially suitable for non-professional and amateur enthusiasts of game development.
Unity 5 from Zero to Proficiency is a series of Unity tutorial books specially written for absolute game developing beginners. This step-by-step and easy-to-understand, easy-to-follow series of handbooks for Unity 5 can take readers from game developing yearners who know nothing about Unity (even the game programming itself) to a professional game developer with good level of proficiency to Unity.