Simplify the following text for a Grade 11 native English-speaking person.
Original: Another popular early project was Jonathon Fowler 's JFDuke3D , which in December 2003 received backing from the original author of Build , programmer Ken Silverman .
Simplified: One popular project is Jonathon Fowler 's JFDuke3D , which the original creator of Duke Nukem 3D , Ken Silverman , gave support to , in December 2003 .