Super Smash T.V.
Get a free .com domain name or cash for freeafter you complete several offers by email. Secret roomsGo to the surfaceStage selectExtra Lives/Extra Credits screen2 PlayersNo enemies and the exits are openSound TestSeven Lives and Continues
Secret roomsSent in by Will FrommeltThere are secret rooms in all of the stages that contain tons of prizes,a secret item (a box with a question mark ) and have absolutely no enemies. If you collect five something good happens (I have not found them all) you get the fifth after beating the robot of the game show host 1st level, go down, right and keep on going right until right is no longer an option go right any way and you will enter the secret room, after cleaning house go up it is closer to the boss. 
Go to the surfaceSent in by Will Frommelt2nd level, keep going down, right, down, right etc. until your only optionis to go up, go right instead (it might be down I don't remember) clean up and go right it will take you straight to the surface. 
Stage selectOn the Player Select/Skill Screen press Right, Right, R, L, Start. You will hear the word "BINGO", ane you will be able to go to any Stage.
Extra Lives/Extra Credits screenOn the Player Select/Skill Screen press Down, L, R, Up, to be taken to the Extra Lives/Extra Credits screen.
2 PlayersOn the Player Select Screen, press Right, Right, Up, Down, R, and L on Controller 1. You will hear "BINGO," and the cursor will be on "2 Players."  If you want to play a One Player game, press up and Start, or just Press Start.
No enemies and the exits are openFirst enter the Previous code, then before entering any room, hold downSelect. No enemies will appear, and the exits will open up. This even works at boss rooms.
Sound TestOn the Player Select screen, press the L Button, R Button, L Button, LButton, R Button for a Sound Test. 
Seven Lives and ContinuesOn the player selection screen, press Down, L Button, R Button, and Up on Controller 1. Now, when the screen goes to the Lives and Continues screen, press Left or Right to change the numbers to seven, the maximum.