(1) up and down, *w* *s* are for red side (2) right and left, *a* *d* are for blue side (3) don't let the ball touch the purple line or the game will stop (4) you have to put the ball in the yellow place or it's not fair (5) thank you for playing!!!
it very easy just take a look on how i do it and make it look everything normal from the options only one thing make a variable *score* and do the others! thank you :)