There are free puzzle games in abundance on the Web, but only a few that let you make a contribution to scientific research. A better understanding of proteins can lead to the prevention or treatment of a variety of diseases, and Foldit lets you become part of the process. This is an introduction to this unusual game and the delicate art of folding proteins.

Bethesda Softworks recently revealed that the renowned Elder Scrolls franchise is getting a massively multiplayer online installment, dubbed The Elder Scrolls Online. The official site for the game is already up, but there's not a lot to see there yet other than a short teaser trailer. Taking a series that has traditionally been single-player into the MMORPG realm can be quite a challenge, so it will be interesting to see if this is as successful for them as Skyrim has been.

TERA Online is MMORPG from En Masse Entertainment and Bluehole Studios that is due for launch in North America on May 1st. Along with impressive graphics, the game offers an action-oriented combat system that is a significant departure from the norm in games of this kind. These are my first impressions of TERA Online.

When it comes to fast-paced shooters, the Tribes series, with its strong emphasis on movement, has always led the pack. Tribes: Ascend is the latest addition to this beloved franchise, and it's using a F2P revenue model. Is the download worth your time? Find out more in our review of Tribes: Ascend.