Team up with a friend to reach a lost submarine and prevent the outbreak of war. Work together on two devices to solve increasingly challenging puzzles, where each of you has your own unique role to play.
https://www.youtube.com/watch?v=hORyupLI6mo
https://www.youtube.com/watch?v=ssV2PNmXuEQ
https://www.youtube.com/watch?v=cRBL5zzafrg
