: Professional no-commentary runs for specific levels like the Laboratory can help you navigate tricky platforming or enemy spawns.
: Comprehensive lists for 100% Achievements and Boss Strategies are maintained by players on the Steam Community. Painkiller HD Boss Guide - Steam Community Painkiller: Hell & Damnation
: Every 66 souls collected triggers Demon Morph mode, making you invincible and allowing you to kill enemies instantly with a single glance. Boss Strategy Guide Key Strategy Death (The Reaper) : Professional no-commentary runs for specific levels like
: Beams out to lock onto enemies and harvest their souls. If you press the primary fire button while leashing an enemy, you deal massive damage. Boss Strategy Guide Key Strategy Death (The Reaper)
: Many achievements are easier with a "boosting partner" in private matches: Insolent : Get 30 kills in 3 minutes on the "Unseen" map.
: Capture the flag in CTF mode in the final 10 seconds of a match. Surgeon : Complete a co-op level without your partner dying.
Focus on speed. With the "Jack of All Trades" tarot deck, this fight can be finished in under a minute.