Kill 75 enemies with pistols

Find 25 secrets

Destroy 1000 destructible items in campaign mode

Defeat Gozu on normal or higher difficulty setting

Access the Gold Mine in the Sea

Buy 5 weapon upgrades in campaign mode

Obtain 5 power upgrades in campaign mode

Obtain 200 massacre bonuses in campaign mode

Kill 10 enemies within 15 seconds on normal or higher difficulty setting in campaign mode

Dismember 500 enemies in campaign mode

Find 5 secrets

Kill 50 enemies with a headshot in campaign mode

Kill 100 enemies in campaign mode