Following is an update log: Version 1.7 (31th July, 2018) - Sonic walks with footstep sound, and grinds with grinding sound. Version 1.6 (25th May, 2017) - Sonic makes dust fly when he brakes and make sparks fly when he grinds Version 1.5 (19th May, 2017) - Sonic can boost using x and use a homing attack when you press z while jumping Version 1.4 (30th March, 2017) - Sonic can now grind on rails 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