Dota 2 is one of the most successful Valve games. In addition, this title is probably one of the most well-known MOBA games ever. As a Valve creation, Dota 2 uses Source engine and the game isn’t heavy at all. In most cases, a lot of modern iGPUs can run this game at least on Low.

On the other hand, if you want a lot of FPS you’re going to need something more powerful than an iGPU or a low-end dGPU. 
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