How to beat 6000 feet : First, buy and max all. Then fly with a air resistance of 3%(so that you gain altitude, up, not down). Use your rocket till' u are at 200 in "speed". When u sink to 175, use your rockets and get back up to 200, repeat till' you run out of fuel, then let it glide
Most of you probably don't have a taste for text-based RPGs or MUDs. They become great games once you understand the commands and make a few friends. If anyone here plays the Discworld MUD, leave a shout on my page please.