<br><table width='100%' cellpadding=3 cellspacing=3 border=0><tr valign='top'><th>Achievement</th><th>How to unlock
</th></tr><tr valign='top'><td>Asylum</td><td>Beat the game on Hard difficulty setting.
</td></tr><tr valign='top'><td>Chain Reaction</td><td>Kill 3 Ashes with the chain reacting explosion.
</td></tr><tr valign='top'><td>Clinic</td><td>Beat the game on Easy difficulty setting.
</td></tr><tr valign='top'><td>Dancing Loony Bin</td><td>Beat the game on InSane difficulty setting.
</td></tr><tr valign='top'><td>Doctor Nosy</td><td>Find all the notes in the game.
</td></tr><tr valign='top'><td>Fifth Encounter Finished</td><td>Finish fifth encounter.
</td></tr><tr valign='top'><td>First Boss Defeated</td><td>Defeat first boss.
</td></tr><tr valign='top'><td>Fourth Encounter Finished</td><td>Finish fourth encounter.
</td></tr><tr valign='top'><td>Good Listener</td><td>Listen to all recordings in the game.
</td></tr><tr valign='top'><td>Hack n' Slash!</td><td>Kill 50 opponents with Sickle.
</td></tr><tr valign='top'><td>Headhunter</td><td>Smash 50 heads with a kick to the head in the finisher.
</td></tr><tr valign='top'><td>Pacifier</td><td>Kill 50 opponents with 'Pacyfikator' Telescopic Baton.
</td></tr><tr valign='top'><td>Remote Car Champion</td><td>Move throught the vents without wasting any of the Repairbots.
</td></tr><tr valign='top'><td>Sanitarium</td><td>Beat the game on Normal difficulty setting.
</td></tr><tr valign='top'><td>Second Boss Defeated</td><td>Defeat Second Boss.
</td></tr><tr valign='top'><td>Second Encounter Finished</td><td>Finish second encounter.
</td></tr><tr valign='top'><td>Sixth Encounter Finished</td><td>Finish sixth encounter.
</td></tr><tr valign='top'><td>Special Treatment</td><td>"Tranquilize" 20 opponents with Syringe.
</td></tr><tr valign='top'><td>Third Boss Defeated</td><td>Defeat Third Boss.
</td></tr><tr valign='top'><td>Third Encounter Finished</td><td>Finish third encounter.
</td></tr></table>