Elf, Iota and Sigma are three aliens who decided to venture in a quest to find new planets. Join them in this adventure using your expertise in maths to find numbers and results of operations!Will they be able to overcome all obstacles? You can choose from living the whole adventure, in the Story mode, to preparing yourself for the challenges in the Practice mode. But, if you feel very confident about your skills, why not try the Advanced mode?Climb aboard this spacecraft and test your knowledge in maths. Enjoy the ride and good luck!