Tobiis getting serious about bringing eye tracking to gamers the world over. Days ago, the company announced a partnership with SteelSeries to build a new sensor bar and its EyeX engine meant to bring eye tracking to more games in 2014. Today at CES, we got to see a non-functioning prototype of that SteelSeries hardware (seen in our gallery below) and test out EyeX playing Deus Ex.