Are you planning to play through for the ending first?
Your choices actually matter. Depending on your "Karma" (Moral, Harmony, or Wrathful), your Digimon will digivolve differently, and certain characters might not survive to the end of the game. Digimon Survive (NSP)(US)(Update 1.0.3).rar
If you’re looking at the version included in that .rar file, the 1.0.3 update is significant. In the world of modern gaming, day-one versions can be buggy. Update 1.0.3 specifically focused on: Are you planning to play through for the ending first