Looking for a “small” game yet large in requiremen

So just got a new rig (a friend basically just handed me his cause he got a laptop and he has no need for it anymore cause he is traveling with his work all the time) .-
So wanna find some game that wont take forever to download and check how things run. It should be able to play everything out now, so just wanna see how far I can push it.
So yeah, just a title for a small size title that requires some power?
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NVM. Just read that METRO should be a good test object.
Answer #1
you should download the unigine heaven benchmark. it will do what you want.