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Duotron

Gottlieb • 1974 • em

G57OL-MDx1b

Quickie Version

Choice of UTAD or center semicircle three times, then saucer all day.

Go-To Flipper

Balanced

Skill Shot

make the center A lane; it’s the only place to get the A. You can get B and C via the return lanes.

Full Rules

This is the 2-player version of Magnatron.

Duotron is a basic bonus-build game with a booster shot added.

Bonus goes up to 15K, earned by the uppermost side lanes, the outlanes, the A, B and C side stand-up targets when you’ve lit that letter and the center saucer. Light the stand-up targets by making the corresponding lettered lane, either at the top or in the return lanes. While you can’t shoot at the upper side chutes directly, the ball can easily get deflected into them from the bumpers; many of your UTAD bonus advances will come from balls that fall into these. Balls in the chutes are ejected back upwards.

The center semicircle shot will give you five bonus advances if you knock the captive ball around to the opposite side. Three shots and your bonus is at maximum.

The center saucer shot opens the ball save gate at the right outlane. It scores 1000 to start and goes up 1K each time you shoot it up to 5K.

Unlike most games, this one has two “close gate” switches – balls through either return lane close your gate, as does using it. This makes shooting for the saucer to open the gate less valuable than on other machines.

Double bonus is awarded on the last ball and cannot be scored on other balls.

Strategy comes down to your accuracy and the way balls come down from the top. If the rebounds from the captive ball shot are safe, that’s the fastest way to build bonus. If not, UTAD is the alternative. Once your bonus is maximized, you have a similar decision: faster points at the saucer or slower but maybe safer points up top.

Playfield Risk

Primary risk is how the ball falls down from the top. Closely watch how balls roll off the rubbers above the semicircle to the rubbers on each side of that and then down towards the flippers, slingshots or center drain. Only shoot the captive ball if the rebound proves to be safe. Never shoot at the lettered stand-up targets - - given the angle they’re mounted at, you’ll likely hit a post on one side or the other even if you don’t miss your shot, and either way, you’re likely to get into side-to-side bounces that risk draining.

External Links

Machine Information

Duotron backglass
Name
Duotron
Manufacturer
Gottlieb
Year
1974
Type
em
Display
reels
Players
2