MechWarrior 4: Clan 'Mech Pak

In August 2002, Microsoft released two add-ons to MechWarrior 4: Vengeance: Clan 'Mech Pak and Inner Sphere 'Mech Pak. Each pack contained four new BattleMechs and a few other bonuses, such as new weapons.

Clan Mech Pak includes:

• Arctic Wolf
• Cauldron-Born
• Kodiak
• Masakari