At each level there is a chest and a key. Accordingly, the chest can not be opened without a key. Tom can only go where we will command him, and we set the commands by setting the arrows on the level field. Besides, there are doors on the levels that can be broken with hammers. And the cells of the abyss on which you can put bridges. Difficulties creates something that Tom can only carry one item or a key or a hammer. Adventure Tom is a great puzzle with well thought out levels. The game is taken Cool Math Game Site.