64 
is the migration,
the space bar
is the braking, the difficulty quite high,
if ran above the land, the speed could be extremely slow, certainly
must pay attention, had a look your original story The game
operates: Goes through a strategic pass the game. The
cursor key "↑", "<-", "->", "↓", separately indicated that, "on",
"left", "is right", "under" controls the automobile the body, the
space bar
expression is the braking, has the certain
difficulty