Character Keys: 1 = Super Sonic 2 = Modern Sonic 3 = Playable Tails 4 = Shadow H = Sonic.exe H + 3 = Tails.exe (Work in Progress) Moves: Move = Arrow Keys Crouch (Roll if in motion) = Down Arrow Key Jump = Z Spindash = Down Arrow + Rapid Tapping Z Fly = Rapid Tapping Z (Only with characters that can fly) Dash = X (Only with characters that can dash) Air Dash = Z + X Quick Fall = Down Arrow (While in Air) Updates: (2018) | Jun 25 | 3:45 PM: Game came out. 10:17 PM: Tails is added. 11:12 PM: Modern Sonic. | Jun 26 | 3:27 PM: Fixed Modern Sonic's Super Sonic Speed Glitch. 3:38 PM: Jump Dash is added. | Jun 27 | 3:48 PM: Super Sonic can Dash. | Aug 19 | 2:46 Changed name to Sonic Engine Ultimate | Aug 24 | 4:10 Started work on playable tails 4:15 Finished Playable Tails 5:39 Added Music | Aug 25 | 11:32 Super Sonic can fly | Sep 22 | 7:55 Super Modern Sonic | Nov 22 | 3:01 Sonic EXE | Nov 23 | 4:11 Test Zone update 4:18 Sonic EXE update (2019) | May 3 | 2:27 Background Update (2020) | Mar 4 | 9:44 Tails EXE update | April 2 | 11:00 New background of EXE | Nov 19 | 2:00 Changes to the Sonic.EXE loading screen and removed boost sound from EXE area (2021) | March 11 | 3:18 Fix the dumb super spin in back of sonic bug | Oct 18 | 10:48 Changed base background 10:50 Updated Instructions and Credits | Oct 19 | 1:06 AM Removed Dev and "and tails", Added Shadow 1:45 AM Super Sonic active on key (1) and fixed bugs 10:23 Fixed Sonic.exe showing up in other characters ball form | Oct 20 | 10:07 Added dash to Shadow 10:46 Started Recoloring on Tails.exe