So I was streaming some timber last weekend and gave up after looping 256 stages and getting just over 5 mil (Roughly 6 hrs).
I'm going to stream it again with the goal of reaching 10 mil Saturday 6/14 ~12pm Est if anyone's interested.
I won't have to play as long as tapper, but timber doesn't give you much for breaks. (The closest thing to a break is the first stage after looping since there isn't a bear on it and it takes 20 sec.)