Yo lomaz if ur reading this im working on the exact same thing as you... almost.
basaiclly im also making a sandbox game that is BOTH inspired by Melon Playground and GoreBox, which is called CP26 (Cube Playground 26). this game will also be a remaster to my first cube playground game too. idk if im spoiling my own game or not, but im not gonna spoil too much, so, thats all i wanted u to know about my project. :)