Complete challenging trails and puzzles. Explore venues reflecting different periods. Earn achievements by finding hidden rooms.
Play the script and review your world ranking according to the time it takes to finish the chapters, compete with your opponents.
Defuse the guard robots using the irradiation capability of the crystals. Complete the parkour before they die by being agile, solve difficult puzzles and try to escape from the lab.
You can irradiate to a certain point using the irradiation power obtained from the irradiation crystal. Solve puzzles and discover stories using a limited number of irradiation crystals in each section.