Sega's has announced what games they will show at the Electronic Entertainment Expo 2009, which starts on Tuesday. Two highly anticipated titles highlight Sega's Nintendo lineup for the show.

The first of these is The Conduit, developed by High Voltage Software. Touted as a deep first person shooter experience made exclusively for the Wii, The Conduit will have a robust 12 player online multiplayer mode, high-end graphics, and many other game modes. The Conduit is slated for a June 23 release in the United States.

Mario and Sonic at the Olympic Winter Games unites Mario and Sonic once again at a major sporting event, this time at the Vancouver 2010 Olympic Winter Games. The full Mario and Sonic roster will return and both the DS and Wii versions will sport innovative controls. The Wii version will support the Balance Board for even more added depth. Mario and Sonic at the Olympic Winter Games will be released in fall 2009.

SEGA UNVEILS AN All STAR TITLELINE-UP FOR E3 2009

Aliens vs. Predator, Alpha Protocol, Bayonetta and Mario & Sonic at the Olympic Winter Games lead the SEGA charge as E3 returns to its former glory

SAN FRANCISCO '(May 26, 2009) – SEGA® of America, Inc. today announced their roster of titles to be presented at the 2009 Electronic Entertainment Expo (E3 2009). SEGA will feature numerous titles across six different platforms, including legendary icons and dazzling new stars, as the company continues to develop both original and high-profile licensed properties on the Xbox 360® video game and entertainment system from Microsoft,the Wii™ system from Nintendo,PLAYSTATION®3 computer entertainment system, WindowsPC, and the Nintendo DS™. SEGA will showcase their games at booth #2001 in the South Hall of the Los Angeles Convention Center.

Aliens vs. Predator™ (Xbox 360, PLAYSTATION 3 system, Windows PC) – Releases early 2010

The next-gen version of this benchmark multiplayer First-Person-Shooter franchise is coming with SEGA’s new Aliens vs. Predator' game. From the developer of the series’ first title comes this next big event, with three unique species fighting for supremacy on the battlefield. Play as Predator, Marine and Alien in three radically different single-player experiences that intertwine to create a thrilling story. Jump into cinematic non-stop multiplayer action with a rollercoaster-ride of explosive firepower, horror, stealth and gory fang and claw combat.

Alpha Protocol™ (Xbox 360, PLAYSTATION 3 system, Windows PC) – Releases October 2009

Enter the world of international espionage in Obsidian Entertainment’s blockbuster new modern-day spy-RPG. Assuming the role of Michael Thorton, players must use their strength, skills and smarts to survive the rigors and dangers of being an international spy. Alpha Protocol' takes players to locations around the world and arms them with a full arsenal of weapons and gadgets with which to complete any task at hand. The game also features fully customizable character attributes and a unique dialog system that tracks players’ responses in the game, dynamically changing missions and alliances as they progress through the game’s storyline.

BAYONETTA™ (Xbox 360, PLAYSTATION 3 system) – Releases late 2009

Developed by the creative minds that recently brought gamers the critically acclaimed MadWorld'™ on Wii; BAYONETTA' from PlatinumGames is set to invite gamers into a world full of adventure, mystery and a dash of sexiness. Players assume the role of the seductive Bayonetta and use a myriad of weapons and combat skills to dispatch her angelic enemies. This epic action-adventure title will to set a new standard in the genre.

Mario & Sonic at the Olympic Winter Games™ (Wii, Nintendo DS) – Releases October 2009

Mario and Sonic are hitting the slopes with their friends in head-to-head competition for international glory and gold in celebration of the Vancouver 2010 Olympic Winter Games. Featuring a full roster of characters from both the Mario and Sonic worlds along with innovative Wii and DS control schemes including the use of the Wii Balance Board™ that allow unparalleled control of competing characters, the excitement of Mario and Sonic at the Olympic Winter Games' is ready to set the slopes on fire this fall!

Planet 51™ (Xbox 360, PLAYSTATION 3 system, Wii, Nintendo DS) – Releases Fall 2009

This fall the official video game for Ilion Studio’s and Sony Pictures new animated feature takes audiences to Planet 51' to witness an alien invasion of the human kind. Developed by Pyro Studios the game is set on an alien planet visited by a bumbling U.S. astronaut. Planet 51' The Game' gives players the chance to drive through and explore the amazing world of Planet 51' whilst helping our hero find his way back to his spaceship!

The Conduit™ (Wii) – Releases June 23rd 2009

Enter the world of alien conspiracy and government cover-ups in The Conduit'. Developed by High Voltage Software exclusively for Wii, The Conduit' pushes the graphical capabilities of the Wii to the very edge. The Conduit' also features 12 player multiplayer competition with an assortment of game modes. The Conduit' supports fully customizable controls so players can optimize their gaming experience and is one of the first Wii titles to support Wii Speak™.

Vancouver 2010™ - The Official Video Game of the Olympic Winter Games' – (Xbox 360, PLAYSTATION 3 system, Windwos PC) – Releases January 2010

SEGA is heating up the slopes with international competition for gold in Vancouver 2010 – The Official Video Game of the Olympic Winter Games'. Featuring a multitude of winter sports events, real-life Olympic venues and online multiplayer competition, everyone has the chance to bring home the gold this winter.