An inauspicious way to start off this post, but whatever.
Estimated time to complete: Full Completion? ~90 minutes. No extra challenges? 45 minutes-hour, depending on how good you are at parkour.
Link: It's in my signature, I'm not linking it here because it takes literally 2 seconds to find it in my sig. ;3
MAP FEATURES - Voice Acting / Narration - (by daDonn) - Musical Score - (entirely sourced from incompetech.com and freesound.org and specifically credited in the readme) - Dynamic Locations - (the scenery changes!) - Multiple Endings - (replayability!) - Collectables - (compete with your friends - who can find the most slimeballs?) - Awesomely Epic Builds - (if I do say so myself!) - Lots And Lots Of Redstone - (though none you need to understand!) - Monsters - (who try to kill you!) And much, much more...