Kill 250 enemies with environmental hazards.
Hop on 50 heads in a row without touching the ground.
Defeat Crab Puncher without getting hit.
Collect all the Ancient Vampire Skulls.
Kill 5 enemies with a single gunshot.
Activate BloodRayne: Betrayal's alternate soundtrack.
Complete the game.
Finish every level with the ranking "Dhampir".
Complete any level while taking no damage.
Chain explode 5 enemies.
Kick open the Coffin Rocket 20 times.
Find the hidden idol.