The very last level, rendezvous at the mountain, isn’t all that difficult. Lots of pausing and scrolling to either end of the map, but as long as you can multitask then it’s doable. Playing through all the Mayhem levels to get there? Man alive. Managed it when I was a young teen, couldn’t do it for the life of me now.

The ‘win’ screen - a static picture of the devs, with a sampled sound of them applauding your efforts - is still one of the most rewarding endings to any game, I think. If you can get there, you deserve that.