Tezakia Quest was an interactive story, also known as a "quest", that ran on Livejournal between November 2009 and June 2010. It stars Sekani, a Tezakian who was shot down while flying and ended up in a strange facility.
The quest starts out as a horror, but ends up going other directions.
These flash versions are being posted for their own sake, but there's also a more convenient webpage version at http://tgchan.org/archive/tezakia/