Here's Mass Attack – a game about weighing things of different mass. No, wait, come back. Where are you going?

Still here? Good, because despite its geeky premise, Mass Attack is actually a huge amount of fun. There are some balls on one side of a scale and – by holding down your mouse button until you ball is an appropriate size – you must balance out both sides of the scales. While it shouldn't seem like that much fun at all, Mass Attack is a belter, and the thrill you get from making your ball exactly the right size first time out is second to none. Or maybe we need to go outside for a change.

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