I designed this based on the game called "thunderforce". Thundeforce is a side scroll shooting game developed by Technosoft (now nonexist company) and published by SEGA. I put some serious thinking based on the original concept and real game mechanic, I am no game designer my self but this is not an average fan art in my opinion, or may be it is? I don't know.
here is the completed work: [link] [link] [link]
here is some information about the reference title: [link]
and here is someone I would like to tag: