Complete a Gold- or Silver-tier Challenge while countering at least 25 times

Complete the game on Ultra-Violence! difficulty

Make it across the floating debris without falling

Bank a 300-hit combo

Purchase all Player Upgrades

Find 11 treasure chests in the darkness of the Tombs

Choose the patience option all the way through the line in the Carnival

Heh heh, good times

Interact with all the ladies at the Shower Surprise Party room

Kill a total of 15 enemies by holding cooked grenades

Use all three switches, defeat the two phasers, and chase after Vertigo within 60 seconds

Set the Dialog Volume slider to zero