To start click the flag. Click the icons on the Attack / build bar or if you are on a phone then touch on the icons on the Attack / build bar to do what it says it would do. NOTICE: wait until the character is on the ground, then throw the knife or shoot the gun. Also in order to jump if you are on the phone touch on top of you, if you are on a computer then press W or up arrow to jump.
UPDATE: You have a nuke now UPDATE: New ending to the game 04-16-24 Fixed jump animation