Yup! I have an even earlier proto that looks very close or identical to this one.

Some other differences:

- Super Jackpot insert is red and not white
- Three red arrow inserts on right side are lined up and not staggered
- buildings in the background are different
- "final battle" insert at right scoop missing
- "battle the power" insert is missing
- color differences
- many GI bulbs are in different spots
- the 3" slots next to the white blank inserts are not in the production game. In fact, I have never seen this cut out on ANY WMS playfield (please correct me if I am wrong).

I think there are a few more minor differences. Between the slots, ramp and skill shot differences, I've always wondered what the original plans were. My guess is the launch ramp was a TOM style launcher, dropped the ball right on the upper flipper.