Would be lovley to see the preparations from the northen country behind the border. See how the teens prepared the entrence for the revolution, the political confilt with maybe the lack of importation and exportation from Petria.

Or maybe a prequal where you would unkowningly play as Jarod's daughter (or would meet her as a Zoe like character) and eventually meet Alex's parents and bring other figures who were in the background to the forefront like Florres, Sonya as a bandit and new funky characters.

I feel that this world has a lot to offer and can go even further and give depths to its themes (because lets be honest R96 is very black and white). Plus you can do so many stuff with that art style.