microcorruption is great. I originally signed up in 2015 and completely bounced off the first level after the tutorial. I worked through the levels on and off after that, most progress made during a ski trip where I injured my knee badly enough to prevent actually skiing.

Judging by notes I made it as far as the penultimate level of the original set in 2018 and got stuck there, it's a shame the new site doesn't show your submission dates, which I think the old one did.

Although my progress was ridiculously slow, am quite proud that I just sat with the problems when stuck without looking up the solution. Maybe this year I will actually finish it.