EnviroBoarder Instructions:

How To Play: The object of the game is to collect recyclables off the ground and drop them off at the green recycling bins before you run out of time or lose all your lives. You can hold a maximum of 5 of each item, and each item will give you 5 points and 3 seconds when you drop them off. You recieve 75 bonus points for dropping off a full load of 15 recyclables. Find you way around obstacles or jump over them by hitting the spacebar (pressing the right arrow key and the spacebar will make you do a nollie). You can also score points by doing tricks while in the air:

180s: (press the second button before releasing the first)
backside: left arrow then right arrow
frontside: right arrow then left arrow
Flip Tricks:
kickflip: up arrow + Z
heelflip: up arrow + X
shove-it: up arrow + C
360 flip: up arrow + V

Grind/Slide Tricks: (you must be at the very top of the screen and landing on a bench)
regular switchstance key combo
frontside noseslide backside noseslide down arrow + Z
backside tailslide frontside tailslide down arrow + X
backside smith grind frontside bluntslide down arrow + C
backside nosegrind frontside 5-0 grind down arrow + V

Manuals/Nose Manuals: (otherwise known as wheelies)
You must balance yourself using the right and left arrow keys after you land and you'll get more points the longer you can stay balanced.

manual press M while in the air
nose manual press N while in the air