Help with BOMB DIFFUSAL

help please, im trying to make an app where people can come and if they have been issued a password then they can log in to thier account. they then can leave a message for the moderator and it will appear when he loggs in on a different comp. Hows this done?

also, im making a game where you have to diffuse a bomb. there are 3 wires each with a colour, and on the top of the screen a colour appears which you have to click on the corresponding wire. each time you click on one the colour changes, and needs to be done 30 times within a time limit. pllllleasse help!!

:hurt: