"In order to ease the players' fatigue, it is recommended to use a long and short game design. For example, the preface is a short game that can be used to guide players to adapt to the gameplay. It can end in about 10 minutes. The first stage is a long one. Complicated riddles have to be played before defeating the boss, that could be done in about an hour. The second stage can be a short one. You can directly enter the boss battle and then mix a few stages of riddles in the pursuit of the boss. The game time can be about 30 minutes. The third stage is a long one. The time is extended to 1 hour and 15 minutes. There will be more complicated riddles…"
"Through this design, we can adjust the flow of emotions of the players at different stages and create a relaxing effect."
