Posts
Wiki
Useful and Popular Resources for Game Development
On-the-fly resolution switching
GM's networking quirks (external link to a GMC topic)
[xml_to_json] (https://www.reddit.com/r/gamemaker/comments/4a4kf9/xml_to_json/)
Create Your Own GMS2 Skin Theme
[Optimization Techniques] (https://www.reddit.com/r/gamemaker/comments/1q65vsx/the_ultimate_gamemaker_optimization_tier_list/)