I would rather die than do Iready. I hope I can give this a 0 star rating. First: failing a lesson makes you do it again regardless of where you are. Second: I know how to build a FREAKING FUSION POWER PLANT AND IT PUT ME INTO BASE TEN BLOCKS WHEN I FINISHED MY FIRST DIAGNOSTIC. Third: It has made me do several lessons about 5 TIMES. I WOULD RATHER DIG A HOLE TO THE CORE OF THE EARTH THAN DO IREADY FOR ANOTHER SECOND! DANGIT I CANT RATE IT 0 STARS