Bring back the toilet target! No, not in the bathroom, not on Austin Powers, and not on South Park but on the playfield part of a pinball machine... preferably over a subway. In looking through the graphic novel, "Pinball, a History of the Silverball" I learned about this cool type of target that was popular... 90 years ago.
Essentially, a ball drops into a hole, forcing a lid to close allowing for the next ball to go past the hole (see graphic below). This seems like a really neat concept that functions similarly to inline drops. If you had these over a location with a subway underneath, I could see it as being a really cool way to "build a path" to get to another location. Off the top of my head, I think something like this would have been neat in a game like "Whitewater". Hitting the targets could represent a building a bridge, and allow you to get to a different part of the playfield or access a different ramp exit back to the flippers. The ball could drop down into existing parts of the playfield.
This idea would also work well in a game with a subway underneath as ball drop damage to a playfield wouldn't be an issue.
I think it is a cool forgotten idea and wanted to throw the idea back out there for the homebrewers if nothing else.
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