Documentation
Appearance
	
	
This section lists documentation pages for resources you'll find in Sonic games. You'll find information about certain file formats and other general game resources.
Rendering
| Name | Info | 
|---|---|
| Hedgehog Engine | Render engine first used in Sonic Unleashed | 
| Hedgehog Engine 2 | Render Engine first used in Sonic Forces | 
Models
| Name | Info | Extension | Tools | 
|---|---|---|---|
| SCA Parameters | Model and mesh parameters stored in SCA file headers | 
Shaders
| Name | Info | Extension | Tools | 
|---|---|---|---|
| Shader Features | Hedgehog engine 1 shader features | 
Set-Data
| Name | Description | Extension | Tools | 
|---|---|---|---|
| HSON (Hedgehog Set Object Notation) | Universal object placement representation format. | .hson | 
User Interface
| Name | Description | Extension | Tools | 
|---|---|---|---|
| NCP (Ninja CellSpriteDraw Project) | Describes a user interface in most Hedgehog Engine games. | 
 
 
 
 
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Archives
| Name | Description | Extension | Tools | 
|---|---|---|---|
| NN Chunk | Generic container format. | 
Animation
| Name | Description | Extension | Tools | 
|---|---|---|---|
| PXD Animation | Skeleton and skeletal animation format in Hedgehog Engine 2 Games | 
 
 
 | Frontiers Animation Tools | 
| PBA Skeleton | Physics Based Animation Skeleton for Hedgehog Engine 2 Games | .pba |