S.T.A.L.K.E.R.: Clear Sky is the official prequel to its survival FPS S.T.A.L.K.E.R.: Shadow of Chernobyl, bringing the players one year prior to the events of the original S.T.A.L.K.E.R. game in 2011.

Crackpot Entertainment's Insecticide is a classically styled action adventure detective game that brings the look and feel of gritty gumshoe films into a futuristic city where insects have become the dominant race.

Sony is taking advantage of the PSP momentum to announce quite a few new features for its handheld. Over the weekend the Skype support was made official and earlier today Sony confirmed at the CES that it would also be bringing the, previously only in Asia available, GPS and Camera functionality to North America, as well as an external keyboard to make it easier for people to communicate and bypass the internal keypad. Expected later this year, no pricing or specific release schedule was announced.

Sierra's The Spiderwick Chronicles, developed by Stormfront Studios, is an action/adventure game based on Paramount Pictures and Nickelodeon Films' upcoming 2008 movie, as well as the fantastical Spiderwick book series.

MotorStorm delivers brutal off-road racing, plunging players into a frenzied and chaotic environment awash with grit, mud and petrol. Sony revealed that later this month two new tracks will hit the PSN, Eagle's Nest (a narrow winging road on high altitude, where the goal is to push other drivers off the edge), and Diamondback Speedway (a desert road with a tunnel and pit in the road, best to be avoided) for the usual price.

LEGO Batman features all of the characters from the LEGO Batman construction sets, plus a few new additions. Gamers will have the ability to roam the streets of LEGO Gotham City as Batman or Robin, and even take control of the villains while manipulating gadgets and building/operating vehicles in co-op gameplay.

Namco Bandai announced Tamagotchi Connection: Corner Shop 3 for the NDS featuring the most robust store lineup to date, with 13 brand new shops to run and expand, a park to design and visit, and the ability to trade journals with your friends wirelessly.

Conflict: Denied Ops, previously called Crossfire, is a new paramilitary themed co-op FPS from Pivotal Games, putting you in control of two of these merciless operatives, each of them highly specialized in both weapons and military tactics.

In addition to a new campaign that ties up the Dread Lords saga, GalCiv II: Twilight of the Arnor adds civilization-specific technology trees and planetary improvements that add even more flavor to each alien race, while greatly expanding the strategic depth of the game. Originally scheduled for Jan, the GalCiv II expansion has been delayed until March in order to add new features.