- Difficult Mode B There is also a different mode of riddle solving, Game B. - Elements of gameplay Weapons will be unlocked as you play through them. Depending on the weapon you choose, you'll be able to advance your adventure to your advantage. - Recreating a nostalgic atmosphere The instructions that come with the electronic game reproduce the atmosphere of the time. In addition, you can play with deteriorating reflectors and polarizers. I hope you enjoy the nostalgic sense of play!