What DLC is available for Rise of the Tomb Raider™: 20 Year Celebration?

Rise of the Tomb Raider: 20th Year Celebration includes all of the following DLC:

Blood Ties
Explore Lara's childhood home while uncovering a Croft family mystery.

Lara's Nightmare
Hordes of the undead have overrun Croft Manor! Scavenge and upgrade the weapons you will need to fend off the zombie threat.

Baba Yaga: The Temple of the Witch
Deep in the wilds of Siberia lies a forest that no man will enter after a Soviet expedition vanished without a trace. Lara enters the Wicked Vale in search of a missing man, but she finds a nightmare that defies explanation. Is the witch, Baba Yaga, haunting the forest? Or is there more to the myth?

Cold Darkness Awakened
A dormant weapons research base, decommissioned during the Cold War, has been breached. A mysterious affliction has been released into the Siberian wilderness, transforming men into blood-thirsty, mindless killers. Lara must overcome increasingly dangerous waves of these infected adversaries while scavenging their equipment.

Endurance Mode
Alone and in the wild, Lara must survive the harsh elements by day and lethal threats from both man and beast by night. You start with nothing and must find everything you need to survive.

Rise of the Tomb Raider 20 Year Celebration Pack
This pack includes five classic Lara Croft skins, an outfit and weapon inspired by Tomb Raider III and the new Extreme Survivor difficulty setting for the main story.

Extra outfits
These packs provide extra outfits for use in the main story:
Remnant Resistance
Hope's Bastion
Tactical Survivor
Apex Predator
Wilderness Survivor
Siberian Ranger
Ancient Vanguard
Prophet's Legacy

Each outfit will provide you with different abilities such as more carrying space or increasing your resistance against enemy attacks.