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"How to Play" Tutorial

Last player standing wins!
Each player starts controlling a square. The objective of this game is to eliminate your opponents. To do that, you'll often need to "contaminate" other players' pieces. But, before that, you need to understand the meaning of your own pieces.

Know your levels!

Three square levels

There are three different square levels. The picture on the left shows a level 1 square. The easiest way to get one of these is to click on an empty square. If you click on a level 1 square that you control, you'll increase its level, making it a level 2 square (the middle square, in the picture). Clicking on a level 2 square will turn it into a level 3 square (right square, in the picture). Clicking on a level 3 will lead to contamination.


Contamination?
Yep! When you click on a level 3 square, it'll explode and contaminate the nearby squares, depending on how each one is occupied: if it's empty, you'll get a level 1 square, if it's controlled by the enemy, you win a square with a level equal to 3 minus its current level (if it's a level 1 square, for example, you'll get a level 2 square). If you already control that square, you'll increase its level (which may lead to chain reactions).

Can you show me an example?
The following picture show's a portion of the board that's about to get contaminated by the blue player. Can you guess what will happen?

Example


The blue square (above the level 3) will increase its level (becoming a level 2 square). The red level 2 square on the left will turn into a blue level 1 square. The green level 1 square below will become a blue level 2 square, while the empty square will turn into a blue level 1 square!

Example



Can you show me another example?
Sure, here's another example... this time, the blue player is being blocked by a couple of level 3 squares controlled by its opponents.

Example


After contamination, the level 3 squares controlled by the opponents will become empty squares. The level 2 square on the right will turn into a level 3 and the empty square below will become a blue level 1 square. If you're having some doubts, play for a while :).

Example



What's this "bombs" thing?
Bombs are a feature I implemented in order to get that extra random excitement. If you don't like'em, you can turn'em off, though :). Sometimes, bombs appear on the board... clicking on them will detonate'em, cleaning a 3*3 grid around them. You also need to be extra careful, because contaminating a bomb will set it off!

What are Normal and Expansion?
Normal and Expansion are the two game modes you can choose. In the Normal game you can place one of your "pieces" in any empty square in the game board. Expansion limits this, allowing you to only control an empty square if you control a nearby square.

Do you have a shorter rules description?
Sure do! In the "Play" area, if you scroll down, you'll find a short description on how to play (right below the game).
Contamination is a © 2002 by Pedro Amaro
All rights reserved