Right, let's get on with it then!
Level 6: The chasm with no end?
Save 100% of 20
Release rate 50
8 minutes
1 bomber, 1 blocker, 10 each of builder, basher, miner, digger
Good: a nice "hidden exit" level in which, for once, the exit _isn't_ in the most obvious place
Bad: when you know where the exit is it's too easy, and when you don't it could well be too frustrating