Though focusing solely on his Mass Effect work, amazing as it is, would be selling him short. Having also worked for companies like Paramount Pictures and Blur Studios, and on games such as inFamous, he's now employed at Microsoft, where the Halo franchise will undoubtedly benefit from his badass sci-fi vision.
You can see more of Mikko's art at his personal site.
To see the larger pics in all their glory (or so you can save them as wallpaper), right-click on them below and select "open in new tab".
Fine Art is a celebration of the work of video game artists, showcasing the best of both their professional and personal portfolios. If you're in the business and have some concept, environment or character art you'd like to share, drop us a line!