Use stones and place them at sensors to keep doors open and lifts
in position. Throw a stone to distract aliens, giving you enough
room to kill em. Throwing a stone trigs some laser sensors, killing
the aliens and doing the job for you.
There's only one time you really must use the Tele Receiver, and the
Tele Transmitter, is very shortly after you found it. So you can use it to
speed up your time to play the game. Avoid running a long way back.
Make a roll under falling mines to get through without getting
hurt. May fail some times. You might also make a roll through
'electric barriers', haven't been fried any time.
On Level 4, after arriving with the taxi. Make your way through
by jumping up on the building and to the right most screen. You
don't get any further until you shoot the glass, at the top right.
