Enemy for game. Been learning how to do concept art for games by several instructors and learning a lot by these professionals in the industry. 

Please credit me for my work if you choose to put the design in your game! Would love to hear from you and see what you do with it. Feel free to reach out and contact me.

Btw the PSD file I have for download too,  has a few layers with the just the flats, lineart , rendering , values and all the reference (all separate layers) in creating the beast. You might find it very helpful and useful.