Tetra Block Factory
Description: You are Sergey and you are hardly working for an extremely low eCPM in the Tetra Block Factory, Production Department, 3rd night shift. Your job is to continuously detect and fix defective tetra-blocks which will be delivered to the Tetris game. How much blocks can you fix before you make a mistake? Remember, the blocks are getting more and more defective and you only have the one chance !