Has tapped on alien's face 10 times in a row

Has rated a challenge level

Has watched credits

Has died from exhaustion

Has erased 10 aliens

Has won 15 medals

Has shared 10 levels on social networks

Has published 10 challenges

Has won 10 challenges

Has taken up 10 challenges

Has fallen 10 times on a blackhole

Has used 10 hints

Have medals on each level of Luna

Has tried every level of Luna

Has won 30 medals

Has shared 30 levels

Has published 30 challenges

Has won 30 challenges

Has taken up 30 challenges

Has fallen 25 times on a blackhole

Has used 30 hints

Has won 5 medals

Has shared a level on social networks

Has published his first challenge

Won your first challenge !

Take up your first challenge !

Has fallen on a blackhole

Has used an hint

Has improved the solution of a challenge

Has retried 10 times a level

Have medals on each level of Terra

Has tried every level of Terra

Have medals on each level of Zygma

Has tried every level of Zygma