The upcoming Doom 3 BFG Edition contains eight previously unseen levels collectively called "The Lost Mission."
A trailer revealing the levels was shown at QuakeCon yesterday. The additional levels round out the game, which also comes with the three original Doom and the Doom 3 expansion, Resurrection of Evil.
Id Software also remastered Doom 3 in 3D, for those who can take advantage of the visual effect.
Doom 3 BFG Edition releases for PC, PS3, and Xbox 360 on October 16.
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[Polygon]