Tesla: Go Interaction

Hello again, everyone! Last week, I gave everyone the challenge to design progress mechanics that encouraged or facilitated interaction - but, because I like to be tricky, I didn't take any efforts to define exactly what counts as interaction. In your designs, many of you explored different forms of interaction in gameplay - and in the comments, there was some great discussion about what is interaction, and what isn't.

This week, I'm going to try to go over a few of the more frequent forms of interaction, using mechanics submitted or brought up last week as examples.