<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>Beast Master</td><td>Kill the Gorgamesh.
</td></tr><tr valign='top'><td>Blood & Guts</td><td>Kill 20 non-boss enemies with the shotgun.
</td></tr><tr valign='top'><td>Bloody Murder</td><td>Kill any boss with the shotgun.
</td></tr><tr valign='top'><td>Brain Biter</td><td>Kill 15 non-boss enemies using the sledge hammer.
</td></tr><tr valign='top'><td>Breaking & Entering</td><td>Broke all the breakable doors.
</td></tr><tr valign='top'><td>Death Miner</td><td>Kill 5 non-boss enemies with dynamite.
</td></tr><tr valign='top'><td>Demon Slayer</td><td>Kill the Gnaw.
</td></tr><tr valign='top'><td>Firing Squad</td><td>Kill a boss with the rifle.
</td></tr><tr valign='top'><td>First Blood!</td><td>Killed your first enemy.
</td></tr><tr valign='top'><td>Giant Killer</td><td>Kill the Collosus.
</td></tr><tr valign='top'><td>Home Run</td><td>Kill 10 flying enemies using the sledge hammer.
</td></tr><tr valign='top'><td>Mass Shooter</td><td>Kill 20 non-boss enemies with the rifle.
</td></tr><tr valign='top'><td>Masscre</td><td>Kill 10 non-boss enemies with the bone saw.
</td></tr><tr valign='top'><td>Nailed</td><td>Kill a boss with the nail gun.
</td></tr><tr valign='top'><td>Napalm in the morning</td><td>Kill 10 non-boss enemies with the flame thrower.
</td></tr><tr valign='top'><td>Pinups</td><td>Kill 12 non-boss enemies with the nail gun.
</td></tr><tr valign='top'><td>Postal worker</td><td>Kill 25 non-boss enemies with the pistol.
</td></tr><tr valign='top'><td>Prison Break</td><td>Complete Chapter 1 using only the shank.
</td></tr><tr valign='top'><td>Self Defence</td><td>Kill a boss with the pistol.
</td></tr><tr valign='top'><td>Skull Crusher</td><td>Kill any Boss with the sledge hammer.
</td></tr><tr valign='top'><td>Slasher</td><td>Kill 50 non-boss enemies with the shank.
</td></tr><tr valign='top'><td>Witch Hunter</td><td>Kill the Wendigo.
</td></tr><tr valign='top'><td>Worm Crusher</td><td>Kill the malatesta.
</td></tr></table>