If you are looking at the v20230510-P2P build, here is exactly what it typically includes, based on release notes from major game communities:
This is a creative piece inspired by the title — written as a fictional patch note entry, logbook fragment, or in-universe transmission. SD GUNDAM BATTLE ALLIANCE v20230510-P2P
A: It will not work. P2P releases remove the connection to official servers, making any online functionality (including co-op) impossible. You will be limited to playing with the AI-controlled partners. If you are looking at the v20230510-P2P build,
: Players encounter "what-if" anomalies where universes collide—such as Master Asia suddenly showing up in the middle of the Earth Federation's battle with the Zeon forces. SD GUNDAM BATTLE ALLIANCE v20230510-P2P