Depois do Game of the Year 2004 da Gamespy (Goty), o HL2 foi comtemplado com, nada mais, nada menos do que 9 prémios da The Academy of Interactive Arts and Sciences:

* Game of the Year
* Computer Game of the Year
* Outstanding Achievement in Art Direction
* Outstanding Achievement in Animation
* Outstanding Character Performance – Male
* Outstanding Achievement in Game Play Engineering
* Outstanding Achievement in Visual Engineering
* Outstanding Innovation in Computer Gaming
* First Person Action Game of the Year

Outro comptemplado foi o Halo 2 com 4 prémios.

Para verem os prémios sigam este Link!