General Rules

(1) Use the stylus (touch pen)!

In WarioWare Touched!, most of the games require you to use the stylus to play. Except in the Play by Ear sovenir, pressing buttons does not work.

Playing Mike's games and some of Wario-Man's and 9-Volt's games require you to blow into the microphone. If you don't want to blow, speaking "Aaaaaaa~" into the mic is also a good idea.

(2) Have good timing!

All microgames have time limits, around 5 seconds without speed-up. They will become faster and faster along gameplay. However, when you play to a certain point, the game speed will not increase anymore; so scoring a few hundreds is actually possible.

(3) Observe the rules.

When you play a microgame, you will be asked to do something by a line of text. Usually it does not affect the gameplay as the rules of most games can be observer easily. However, in some games the gameplay is affected by the text, for example, in Super Mario Bros (Coin grabbing) the number of coins you should get depends on the hint.

It's also a good idea to see if there is a mouth icon before the hint or not. If you see this, the action has to be done by using the microphone (or microphone + touch screen), instead of just the touch sereen.

(4) Look at the scrolling text in the main menu.

This is also important. There will be some text in yellow or blinking in the scrolling text then you choose a game or character. Observe it! For an instant example, if you see "You'll never score over 15 points!", DO score over (notice that over means "greater than", not "greater than or equal to") 15 points to unlock something!

(5) Get to know about the number you see when playing the microgames.

The number you see during the play of microgames are different in the 3 games of the series. (I don't know for Mega Party Games, sorry)

In WarioWare, inc, the number indicates the number of stages played;
In WarioWare Twisted!, the number is the number of stages won;
In WarioWare Touched!, the number is the number of the current stage, i.e. the number of stages played + 1

For example, If you finish a game with 7 wins and 4 loses, then
In WarioWare, inc, you get 10 points (in the last game where your game is over doesn't count);
In WarioWare Twisted!, you get 7 points;
In WarioWare Touched!, you get 11 points.