Overall Score: 4 (of 5).  Move fast & think faster as you shuttle your ship through a dangerous space cavern full of obstacles and foes.

Story:  A quick nod to Imagic’s cartridge design.  Although they used the same for all their games, it sure is exciting to get them in nice condition.

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Fly in all directions while shooting, dodging and picking up energy.  You’ve got a number of gauges to keep track of: Energy, Shields and D-Time.  Run out of any of these three and you’re stardust.  Energy powers your weapons so don’t go too trigger happy.  Now and then you may find a capsule to pick up more.  Shields make sure your ship doesn’t get blasted apart right away.  You can take a hit or few, but sloppy flying will end your journey.  D-Time stands for detonator.  It more or less shows you how far away you are from your end-target for the stage.  You’ve got to destroy it by shooting one of the detonator pins to move on.  Altogether, I hear there are four detonators, though only reached one myself.  Dodge laser gates with different patterns, shoot through static columns, eliminate enemy ships and creatures.

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Highlights: Excellent controls for moving and shooting.  Full spectrum range of colors and sounds in the game that look great and make sense in the game play.

Lowlights: Seems like inevitable doom though the manual suggests the game can be completed.  ‘Homing’ missiles seem to have an unfair advantage matching the slightest movement immediately.

Similar Style Games:  Vanguard, Star Wars: The Empire Strikes Back, Chopper Command, Space Jockey, Subterranea, Super Cobra

Final Thought:  MUCH better than Defender on Atari 2600 or most other space shoot’em-ups for the era.  Not a cheap find, but well worth getting.

(Image credits: http://www.atarimania.com/2600/boxes/hi_res/laser_gates_int_cart_2.jpg, https://images-na.ssl-images-amazon.com/images/I/91zrqNPf4KL.jpg, https://atariage.com/2600/screenshots/s_LaserGates_2.png)