Get eaten by the nidhogg after nearly allowing your opponent to do the same
Waken Werewolf, Dinosaur, Vampire and Pharaoh in the Museum Stage.
Complete a 10-combo kill
Complete a 5-combo kill
Kill the Matron of the Villa area
Kill the FIRST person during Reaper work.
Solve all the cases and win the game with one of the players playing Susan.
Win a 1-player game.
Complete the game on I Have No Fear difficulty
Complete the game on Tiny Grasshopper difficulty
Complete the game on Who Wants Wang difficulty
Defeat Resistor ZL-260 in story mission: Violent Takeover
Defeat TL-Devourer in story mission: Corporate Shill
Collect 500 upgrades
Defeat Colonel Fasthand in side mission: Heisenberg - Part 2
Defeat The Highest Priest in side mission: Heisenberg - Part 1
Defeat Lord Destroyer in story mission: All in the Family
Shatter 100 frozen enemies
Defeat Magmator of the Devil Mountain in story mission: Body Shaking
Collect 1000000 zillyen
Defeat Apprentice of Musashi in story mission: Ancestral Ties
Defeat Queen of D.O.L.L.s in side mission: Flirty Fishing - Part 3
Defeat Shady Rascal in side mission: Flirty Fishing - Part 2
Perform 100 acid corpse explosions
Perform 200 Special Attack kills
Defeat ST-RC1 Titan in story mission: Zilla Attack
Develop any character to level 10
Kill 500 enemies
Defeat Transistor ZL-260 in story mission: Industrial Espionage
Defeat The Chef in side mission: The Cookery
Defeat The Guard in side mission: Ninja'd Scrolls - Part 2
Defeat Vicious Sentinel in side mission: Chi-ters
Defeat The Sharpest Spike in story mission: Hot Blooded
Defeat Lieutenant Akimbo in story mission: My Hero
Complete the in-game tutorial.
Defuse all bombs in "The Basics" section.
Defuse "The First Bomb".
Successfully spin around a rotating block.
Beat "ignorance".
Beat the first wave.
Sink a Battleship
Unlock a part
Outsmart an Ace
Complete at least one planet in a successful Galactic Campaign.