Call of Duty: Ghosts‘ fourth and final DLC add-on is now just beginning to roll out on both the Xbox One and Xbox 360, which users will be able to download via Ghosts’ in-game marketplace or the Xbox Live Marketplace.

Nemesis introduces four new multiplayer maps; Goldrush, Subzero, Dynasty, and Showtime, as well as the final chapter in the Extinction saga, Exodus. You can pick up the entire package for $14.99 or simply download it if you hold Call of Duty: Ghosts’ Season Pass. PlayStation an PC users can look forward to the same one month later.

Alongside the DLC is a brand new game update that is also hitting all platforms, now out on Xbox One, Xbox 360, and PC. If you missed it, you can catch all the details and patch notes right here.

For everything you need to know about Nemesis, check out the descriptions, trailers, and gameplay videos below:

Goldrush

An abandoned gold mine’s intricate network of narrow tunnels and perilous shafts create the ideal setting for medium to close range combat, as teams battle for control of the central elevating platform that is critical for map domination. Two working mine carts race along the abandoned tracks, offering a fast way to traverse the battlefield or provide useful cover from which to take down opponents.

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Goldrush Gameplay Round-Up.

Subzero

Subzero is set in a Canadian submarine base that has inexplicably been evacuated, with the control room, submarine pen and research facilities left eerily empty. This medium-sized map is based around a traditional three-lane design and supports all types of play styles from close-quarter to long range combat.

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Subzero Gameplay Round-Up.

Dynasty

Dynasty is a Chinese lakeside village surrounded by picturesque mountains, – with vivid gardens, trees in full bloom and spectacular architecture – providing the backdrop for this medium map with a variety of elevation from the depth of the sewers to the height of bridges and windows.

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Dynasty Gameplay Round-Up.

Showtime

Showtime is based on the smallest map ever made in Call of Duty® history, the fan favorite map from Call of Duty® 4: Modern Warfare®“Shipment”. This map has been re-imagined as a futuristic death arena.

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Showtime Gameplay Round-Up.

Extinction Episode 4: Exodus

Following your dramatic escape in Episode 3: Awakening, and the successful recovery of Dr. Cross and the cortex, your CIF Unit has flown in to help fight off the Cryptid army laying siege to the last bastion of human resistance. As the last hope for mankind, your mission is to get key personnel to safety by restoring power to the shuttle and launch it to the safety of a low earth orbit space station.

Nearly every single Cryptid encountered in previous episodes of Extinction are present in Exodus, and they are joined by the Ancestors – the deadliest of enemies with a range of lethal powers including mind control and psionic attacks.

Episode 4: Exodus gives the player control of their route to escape earth – choose your path, gather new intel, craft new weapons, and adapt to more varied enemies than ever before. The fate of mankind is in your hands.

Extinction Episode 4: Exodus Gameplay Round-Up.