Luigi's Mansion is an action game developed by Nintendo EAD and released on GameCube. Continue Reading → Jump to a section: Home Releases Credits Characters List Overview Walkthrough Achievements Cheats Cheats First you need to get the water elementthen water every plant you see Each one will give you anywhere from 2000 to a big gold diamond Continue Reading → CharactersView all → Luigi Professor E. Gadd Mario Bowser Luigi's Mansion Brainwaves View all → Discussion Article Thought Review 100 Share Luigi's Mansion with others Games You May Like Minecraft The Elder Scrolls V: Skyrim Super Mario Sunshine Call of Duty: Black Ops II Luigi's Mansion Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates