MySims Agents - Platform: Wii Cheat mode: ----------- At the Create-A-Sim screen, enter one of the following codes to activate the corresponding cheat function: Astronaut costume Press Up, Down, Up, Down, Left, Right, Left, Right to unlock the Astronaut costume. Black Ninja costume Press Right, Up, Right, Up, Down, Left, Down, Left to unlock the Black Ninja costume. Stealth costume Press Left, Right, Left, Right, Up, Down, Up, Down to unlock the Stealth costume.