With the release of the Sacrifice DLC and Comic, Comes with a bundle of other Great News. Their will be 5 new achievments to Gain and Unlock. A New Plush may Come to the Valve Store, and....The New Mutation is Tank Versus where all Infected playing are Tanks and when killed you repawn as Tank. and Lastly there is an explosive Barrel in the game.

WHATS STILL UNKNOWN
1. Will it have a new Uncommon Infected Class?
2. Will it have a new Melee Weapon and Weapons?
3. Will it have more maps that The PASSING?
4. Can you play it in Single Player Mode?
5. If you play the map in Single Player HOW CAN YOU SACRIFICE YOURSELF AND THE GAME NOT FAIL???