Take a role as the one and only Sharkbay hotel's delivery staff, answer the call, deliver the package and get back alive for another call.  

After a sudden release from your old delivery job, you found your new place at Sharkbay hotel but, the job may not be as simple as it seems due to the hotel's unique circumstances... 

Answer the call

Use boxes to complete puzzles and defend yourself

Deliver

Return and review your performance

Repeat it all over again