I spent 4 hours nonstop to beat it on easy level.
I really liked it.
Recent community posts
You can learn about engine here: Dizzyage home
But, must warn you, this engine is Windows only. And of all adapted to create Dizzy-like quest platformers.
Also last public version was v2.4 (in 2010)
Version 2.5 is a few improvements and fixes that I've made myself and it's not yet available for public use.