Left 4 Dead 1 and 2, The Orange Box, and Portal add Xbox One X enhancements

The Xbox One Backward Compatible versions of Xbox 360 titles Left 4 Dead, Left 4 Dead 2, The Orange Box, and Portal are now enhanced for Xbox One X, Microsoft announced.

Here is what that means, via Microsoft:

Xbox 360 games enhanced for Xbox One X run at a higher resolution and 9X the original pixel count. The power of Xbox One X enables the Xbox 360 emulator to showcase the very best version possible with the existing assets—all without touching the game code. Today’s additions join the 17 previously released enhanced Xbox 360 titles like Red Dead Redemption and Skate 3 for a total of 21 Xbox One X Enhanced Xbox 360 games.

Here is an overview of each game, via the Xbox Games Store:

Left 4 Dead (Xbox Games Store)

New from Valve—creators of Counter-Strike, Half-Life, Portal, and Team Fortress—Left 4 Dead is a new game that casts up to four “Survivors” in an epic struggle against hordes of swarming zombies and terrifying “Boss Infected” mutants. Are you ready for the Zombie Apocalypse?

The Games on Demand version supports English, French, Italian, German, Spanish, Portuguese, Russian, Japanese, Korean, and Chinese.

Left 4 Dead 2 (Xbox Games Store)

New from Valve—creators of Counter-Strike, Half-Life, Portal, and Team Fortress—Left 4 Dead 2 is a new game that casts up to four “Survivors” in an epic struggle against hordes of swarming zombies and terrifying “Boss Infected” mutants. Are you ready for the Zombie Apocalypse?

The Games on Demand version supports English, French, Italian, German, Spanish, Portuguese, Japanese, and Chinese.

The Orange Box (Xbox Games Store)

The Orange Box is a special collection of “five games in one box,” first available in winter 2007 for PC and Xbox 360. The five games included in The Orange Box are:

• Half-Life 2: Episode Two – The second installment in Valve’s episodic trilogy. Episode Two advances the award-winning Half-Life story, while introducing new characters, weapons and environments.
• Portal – A new single-player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
• Team Fortress 2 – The sequel to the game that put class-based, multiplayer team warfare on the map, and this year’s most anticipated online action game.
• Half-Life 2 – The full version of the game that earned over 40 Game of the Year Awards and sold over 5 million copies worldwide.
• Half-Life 2: Episode One – The first installment in Valve’s episodic trilogy. Reveals new secrets, introduces an epic trilogy of ep [sic].

The Games on Demand version supports English, French, and German.

Portal (Xbox Games Store)

Winner of over 30 ‘Game of the Year’ awards, Portal now comes to the Xbox LIVE Arcade! As unwilling test subjects in a sinister laboratory, players must break the laws of physics using ‘portal’ technology to solve puzzles and survive. Unlock the full game to experience the complete single-player story, gain access to all 14 new bonus maps, and get a glimpse behind the scenes with developer commentary!