There is egg on top, go to the top and take it, be faster than anyone, because egg

Space         -      Jump
Left,Right   -     Move
z                  -     Grab

Credits :

menu music: Menu Music Loop by HorrorPen  CC-BY 3.0 at  https://opengameart.org/content/menu-music-loop
game music : The Frog And The Mouse by tcarisland  CC-BY 3.0 https://opengameart.org/content/the-frog-and-the-mouse
win screen music : And The Winner Is by congusbongus  CC-0 https://opengameart.org/content/and-the-winner-is

Egg on top