Complete Act 1 of Story Mode
Beat wave 8 in Endless Mode on Revy's Ship
Complete Act 2 of Story Mode
Beat wave 5 in Endless Mode on Scott's Ship
Beat wave 10 in Endless Mode on Scott's Ship
Beat wave 12 in Endless Mode on Scott's Ship
Beat wave 15 in Endless Mode on Scott's Ship
Beat wave 2 in Endless Mode on Revy's Ship
Beat wave 4 in Endless Mode on Revy's Ship
Beat wave 6 in Endless Mode on Revy's Ship