Textures

Texture Competition 0001 - Metal
Texture Competition 0002 - Camo
Texture Competition 0003 - Stone/Concrete

Code

GPL Code Repository
The Millionth Monkey Gets Its Typewriter - Movement Optimization

Sounds

Freesound contains high amount of samples even complete ones that are uploaded by users and licensed under "Creative Commons License", which in short - "If you use the files you need to attribute the creator of the file (i.e. say who made it)." Creative Commons License

Features

Compilation List of Features for Maps