Enter a mission for the first time
Start the game 100 times
Kill a partner
Make a gesture
Shoot with all bonus weapons available
Unlock everything
Kill the Samurai Boss
Kill Antonio Montoya Boss
Complete 1st mission in Veteran mode (no consumables)
Complete 2nd mission in Veteran mode (no consumables)
Complete 3rd mission in Veteran mode (no consumables)
Complete the game in Hell mode