Kill 5 Enemies in a Row with Headshots

Defeat 20 Enemies with Hand-to-Hand Combat

Rescue Taka from Mongol captivity.

Find 1 Treasure

Find all Treasures and the Strange Relic

Find 80 treasures

Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Find the Strange Relic

Kill 75 Enemies in a Row Without Dying

Kill 20 Enemies with a Single Punch After Weakening Them with Gunfire

Kill 5 Enemies with 1 Explosion

Activate a Tweak