Z to jump Arrows to move Down and Z to rev spin dash and let go to use it. Following is an update log: Version 1.4 (8th May 2016) -Added Objective -Changed Sonic's Sprites -Changed Music -Changed Some Sounds -Made Some Changes to the Title Card :) Version 1.3 (10th September, 2015) - Sonic can enter rolling a tad earlier and ends rolling a tad later Version 1.2 (6th September, 2015) - Spindash added - Improved ground collision to detect very thin platforms - Improved launching jump collision - Fixed low speed horizontal rotation animation bug - Fixed static animation bug Version 1.1 (5th September, 2015) - Slightly extended level map to test more extreme inclines - Fixed jumping animation bug - Faded, resetting start screen Version 1.0 (31st August, 2015) - Project released