Will at least one of Dynamo, Coolguy52, or psychomaster be able to reach group AltverZ 8? I think you only need to solve a few levels per group in AltverZ 5, 6, 7.
Another Challenge(8.7): Just make this shape, General BB2 rule(Remove them all) not apply.
Weather Forecast: Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze -> Hot -> Freeze
Another Challenge(8.7): Just make this shape, General BB2 rule(Remove them all) not apply.