Windmill Isle Act 5 is an new stage created using the assets from Windmill Isle from Sonic Unleashed. This is an updated version of the Windmill Isle Act 5 mod from last year. This update contains new routes and added enviromental detail. Full changelist is below.

• The first section of the stage up to the first quickstep section has been completely redone with multiple routes
• The bridge section after the mountain spiral path is now a short 2D platforming section
• The first drifting section now contains enemies that must be defeated in order to activate a pulley and a shortcut to goes over them
• The first 2D section now has a grind rail that goes through the loop
• Added button prompts for quickstep, sliding, and drifting sections
• Added more environmental detail to parts of the stage that felt empty
• Added two dash rings and a pulley that near the beginning of the mountain spiral path to help with landing on it
• Added more types of enemies
• Added the green and red variants of houses
• The stage and hub world now uses textures and materials that more closely match Sonic Unleashed
• Improved camera work throughout the stage
• Replaced some normal ramps with trick ramps
• The ramp that leads into the waterfall section now has fences that prevent you from falling off
• Every house has been remade with better surface normals and polygon count
• Now compatible with Score Generations

This mod requires the Direct 3D 9 Ex or the Direct3D 11 mod or it will crash