• Hack by DarkexNarukami, Axel_SRH and all the members of the Team Duality.
• Level Layouts by Team Duality
• Art and Palettes of Sunset Coast, RobotnikLand, Destroyed Castle and Lost Labyrinth by Hachikyu
• "Borderline Sonic" Sprite Sheet by Axel_Srh, Ninjacat25 and christina
• Title Screen Sonic art by Atzel_SRH | Title Screen Logo art by Klashicola (Background from "Sonic Advance 2")
• MegaPCM2, Nemesis / Kosinski Optimized Decompressors and Error Handler by Vladikcomper
• HUD, Stardust City Act 1, and the art of Chaos Casino by TheDarkParadox (SCZ from his cancelled hack: Sonic Return to South Island)
• "Lost" (Speedlight City Act 1) and "Shadow of the Day" (Lost Temple Act 1) originally composed by Linkin Park
• Smooth Rings Animation guide by Devon
• WinPose code by EddyTF
• Title Cards Font by Techokami
• Super Peel-Out!! Code by luigixhero in the SCD Art Test disasm
• Insta-Shield port by Team Duality
• Double Jump implemented by Dewmer Dewar (Original code in Sonic 1 Hacking Studio 3.0)
• Special thanks to AleDrawer2008 for helping with the SHC screen implementation during the SHC'25 demo development :P
• SonicRetro / SSRG guides about bugfixes (Also, ProjectFM with his Skid/Splash guide in SSRG, Thanks to Undying_Star too)

Team Duality Is:

• Darkex Narukami
• Axel_SRH
• Rene_SF
• Hachikyu
• Red2010
• AleDrawer2008

SOUNDTRACK TRACK BY TRACK CREDITS

• SUNSET COAST:

1. Act 1: Bridge Zone Act 1 from Sonic Superstars | VGM BY JX
2. Act 2: Bridge Zone Act 2 from Sonic Superstars | VGM BY JX
3. Act 3: TBD (Unused on Demo)

• DESTROYED CASTLE:

1. ACT 1: Sylvania Castle Act 3 from Sonic 4 Episode 2 | VGM BY JX (Slightly Altered)
2. ACT 2: Golden Capital Act Knuckles from Sonic Superstars | VGM BY JX (Unused on Demo)
3. ACT 3: Lagoon City Act 1 from Sonic Superstars | VGM BY JX (Unused on Demo)

• CHAOS CASINO:

1. ACT 1: Pinball Carnival Act 1 from Sonic Superstars | VGM BY JX
2. ACT 2: Frozen Base Act Tails from Sonic Superstars | VGM BY JX (Unused on Demo)
3. ACT 3:

• LOST TEMPLE:

1. ACT 1: Shadow of the Day by Linkin Park | Converted by Team Duality
2. ACT 2:
3. ACT 3:

• STARDUST CITY:

1. ACT 1: Lost by Linkin Park | Converted by Team Duality
2. ACT 2: One Way Dream from Sonic Frontiers | VGM BY JX (Unused on Demo)
3. ACT 3

• ROBOTNIKLAND:

1. ACT 1: Eggmanland from Sonic Unleashed | Converted MIDI from VGMusic
2. FINAL: Perfect Dark Gaia from Sonic Unleashed | Converted MIDI from HogeezHoagies (Unused on Demo)

• Title Screen: Menu from Metal Gear Solid (PSX) | Made by Team Duality
• Invencibility: Super Sonic Theme from Sonic Superstars | by JX
• Level Select / Continue Screen: SA2 Groove | VGM by JX (Unused on Demo)