sentences:  Influential to this was Ryan C. Gordon, a former Loki employee who would over the next decade port several game titles to multiple platforms, including Linux.Around this time many companies, starting with id Software, also began to release legacy source code leading to a proliferation of source ports of older games to Linux and other systems.This also helped expand the already existing free and open-source gaming scene, especially with regards to the creation of free first person shooters.