In battle mode, select battle alone and click every color bomberman and then click "choose teams". If you are with me right now you should see little head icons of all the bombermans. Drag the white bomberman over to any of the other icons. Once you have choose the stage and rules you will be playing as the bomberman you choose
More Dangerous Bombs You can combine a dangerous bomb and a rubber bomb by kicking them together to get a really dangerous bomb. You can make other types of bombs by kicking other types together.
Still walking This little trick is only available in multi-player mode. Ok, to get this started, during gameplay, hold down R, move a bit, then stop. It should now appear that your character is still walkting (make sure you are still holding down the R button).
Store your bits and pieces You don't have to use all of the items you have on each level, some can be stored and used on the next level. This is especially useful for items like the Firesuit which is really handy in some of the the harder levels.
Bomb Up: Increases the amount of bombs that can be dropped.(up to eight).
Fire Up: Increases firepower of bombs by one level (up to eight).
Full Fire: Gets firepower straight up to max.
Speed Up: Increases speed by one level (up to eight).
Single stage items
1 Up: Extra life
Clock: Put's an extra minute on the counter for that level.
Fire Suit: Your Bomberman will be resistant to bomb blasts while he is wearing it
Heart: Lets Bomberman escape a bomb blast or enemy contact or a similar event
Invincible: Your Bomberman becomes invincible to everything for a little while
Dangerous Bombs: The first bomb will explode in a square radius.
Land Mine Bombs: This allows you to hide a dropped bomb until someone activates it
Pass Through Bombs: This is a strong bomb will will destroy extra blocks (the must be destroyable)
Power Bombs: This will supe up the next bomb that you drop.
Remote Bomb: With this upgrade you can drop a bomb then use the B button to detonate it when you want.
Bomb Kick: This allows Bomberman to kick a bomb and stop it with X.
Bomb Punch: This allows Bomberman to hit a bomb with the Y button.
Glasses: This will allow Bomberman to view the exit and all items in a stage.
Line Bomb: Just press the Y button and you will drop all the bombs you have in one go.
Metabomb: This will allow Bomberman to go through bombs for alittle while.
Metawall: This will allow Bomberman to walk through soft blocks for a little while.
Power Glove: This allows Bomberman to pick up and throw dropped bombs.
Shield: This will shield Bomberman for a short while.
Multi-player or Battle mode items
Bomb Down: Decreases the number of bombs able to drop.
Fire Down: Decreases firepower by one level.
Question Mark: Randomly picks a function of another item.
Rubber Bomb: This is a bomb that will bounce when punched or kicked.
Skull: This will cause some problems for your Bomberman, but touch another player while you have the symptons (usually a back fog), it will pass to them.