I think two things: 1. The space.invaders team seemed to be good at what they were doing. 2. The "pretty good" people you refer to that also put in the requir

I think two things: 1. The space.invaders team seemed to be good at what they were doing. 2. The "pretty good" people you refer to that also put in the required time to deliver a top bot is perhaps the top 50 (IMHO).