Painkiller is described as 'The game is inspired by such classic titles as Quake and Doom, with the emphasis on killing large numbers of monsters. The game is divided into five chapters, each about five levels long. The player's objective is to get through each level, from start to finish, by' and is a first-person shooter in the games category. There are more than 25 games similar to Painkiller for a variety of platforms, including Windows, Linux, Mac, Steam and Xbox apps. The best Painkiller alternative is Xonotic, which is both free and Open Source. Other Painkiller like games are Counter-Strike, Unreal Tournament, Quake and Doom.