Finish the Game on Hard Without Changing the Difficulty

Kill 50 Enemies with the Dragon Sniper

Find 100 Treasures

Kill 5 Enemies with 1 Explosion

Kill 50 Enemies with the M4

Explore Photo Mode

Kill 20 Enemies with the Pistole

Kill 20 Enemies with Gunfire While Hanging

Kill 50 Enemies with the 92FS-9mm

Activate a Tweak

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

Kill 30 Enemies with Mk-NDI Grenades