Announced last month, GamersGate will host the worldwide download premiere of the first add-on to the historical city builder Imperium Romanum. The Conquest of Britannia adds four new missions and a plethora of game updates as the player faces the challenge of conquering the British Isles.

Savage 2 mixes RTS with FPS, allowing players to to opt for either the fast-paced action of a shooter game, or the more tactical planning of a RTS game, with squad-based features and enhanced RPG elements. Starting today through May 26th at 11:59pm (-5 GMT) all demo accounts will have full unlimited access, a new experience ladder with prizes for the top TOTAL experience earners ranging from $250 to $50.

Spell of Play Studios announces T.W.T.P.B, a shoot 'em in which you must protect the Empire from the numerously superior heretic alien forces. The word and force of the Emperor still rules the galaxy.

One of the few remaining E3 holdouts is id Software, as it first confirmed its attendance, but then retracted the statement. According to Gamepolitics, the DOOM developer is no longer a member of ESA, making it the third big company to recently leave. Similar to Vivendi/Activision and LucasArts, id Software gave no specifics as to why it decided to leave, but the word is that current ESA President Michael Gallagher is partly to blame, as is a $5 million cancellation fee when E3 moved from LA to Santa Monica last year, which made their ESA membership fee jump from $1 million to $4.5 million.

Valve's WWII online FPS Day Of Defeat is getting a new "beta" update adding support for Steamworks which not only adds 51 achievements, player avatar display in the scoreboard and win panel, but also detailed player statistics integrated with the Steam Community features, a new map (dod_Palermom remake of community map dod_salerno), nemesis/revenge freeze cam and new effects driven by the particle system introduced to the Source engine for Team Fortress 2.

Final Fantasy Tactics A2 turns your NDS into a tactical battlefield where you can take control of a clan of fighters, mages and more. Summon mighty Scions and Espers to overcome the challenges that await, fulfill your destiny and return home victorious!

A sequel to the original Xbox title, Ninja Gaiden 2 has players once again assuming the role of Ryu Hayabusa as they guide the ninja hero on a quest to avenge his clan and prevent the destruction of the human race.

The Swarm is a 3D action/adventure game, where the player will face the challenge of surviving in a wasted Moscow that shows the scars of the alien attack, defending himself against other humans looking for scraps of food, and from the dangerous aliens.

Left 4 Dead, developed by Counter-Strike makers Turtle Rock Studios, is a co-operative multiplayer action game, using the Source Engine, and also introducing Turtle Rock's v2.0 A.I. technology. Originally slated for late 2007, delayed until Q1 2008, then rescheduled for Aug./Sept., in a recent interview Valve's Doug Lombardi revealed that while the game is basically complete it will now launch simultaneously on Xbox 360 and PC in November 2008.

Stronghold Crusader Extreme features huge battles with over 10000 units on screen, a new Extreme Trail which will test even the best Crusader players and a new tactical aid bar which allows you to unleash super moves on your enemies.