it says: Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, distribute and sublicense the Contribution of such Contributor, if any, and such derivative works, in source code and object code form. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - i think that means i cant charge people for the game but does it mean i could take donations?