1. The communication and discussion time in the early stage of this project is 10 minute, and the challenge time is 30 minutes. Within 30 minutes, all the team members arrive at the designated place and find the designated items, which is regarded as a success of the challenge, otherwise it is regarded as a failure.
2. One member of the team does not need to wear an eye mask, and all other members need to wear an eye mask.
3. Players who don't wear blindfolds are only allowed to walk on the last side of the team during the project.
4. In the process of the project, no one is allowed to make any noise, let alone communicate orally.