The main character in Mystery PI – The Lottery Ticket Grandma Rosa hires. She gives the task to find the winning ticket from the lottery, which was lost the day before. The key feature of a lottery ticket is that it has a face value of almost half a billion dollars. The character will have to take it step by step, exactly like the old woman, along the way finding various clues, hidden artifacts, solving riddles and puzzles. An entire city is presented as locations, which is endowed with evidence. The player needs to put them together in order to get a single picture and solve this strange case. For the fact that the main character finds the lost ticket, he will receive 20 million dollars, which is quite a worthy reward. Only 12 hours are allocated for the search, because after this time it will expire and will no longer be relevant.

There are 20 locations available for research in Mystery PI, where you will find more than 2,000 objects, quite interestingly hidden in the city. By investigating and finding one thread after another, the user's skills will increase, and along with it, their rank. As you approach the highest level, you will receive various bonuses and other dividends, which will definitely help in the future. After completing the main storyline, the whole world is available without restrictions. It will be possible to search for various objects, not according to a strictly allotted time, but in a free mode. This way you can take a closer look at each item and a short story about it.