here is the details for those 2 levels
1 Through the Graveyard
Time: 9 min
Release Rate: 50
Save %: 80/100
Skills: 2 climbers, 5 bombers, 5 blockers, 25 builders, 8 bashers, and 2 miners
2. Something weighing on your Mind
Time: 4 min
Release Rate: 20
Save %: 85/100
Skills: 1 climber, 1 floater, 6 bombers, 2 blockers, 14 builders, 1 basher, 1 miner, and 1 digger.
I have all the levels in both NL and Superlemmini, So i can give details about any lemmings non-custom level(ie bookclub, demo, etc)