When I was 8-11 I played this game obsessively. I did a fourth grade project on logic gates because of it. Probably contributed to why I ended it up in robotics.

It was an incredibly hard game. I got to the last level on my own but didn't unlock the fourth robot, leading to a soft lock. I also used unoptimal solutions for maybe half the levels. Ie. Using a random bouncer and patience to traverse the ventilation shafts.

Some of my fondest memories of growing up with an Apple II.