SIGIL is a claustrophobic and challenging megawad for the original Doom accompanied by awesome music composed by Buckethead.
Brutal Doom and Project Brutality take the Classic Doom gameplay and modernize it, amplify it, and offer a more intense experience.
Heavy Metal: F.A.K.K. 2 is a good action game with a solid foundation.
Quake 4 puts you back in the war against the Strogg and this time you take the fight to their home planet.
Aliens: Colonial Marines is not a very good representation of the source material and even if you strip away the Aliens coat of paint, this is just a very average shooter that fails to impress.
A masterful piece of work, Arcane Dimensions is one of the greatest mods for any game ever.
Even with its flaws, Alien: Isolation is one of the best horror games to date that any fans of the genre or film series would enjoy.
Halo: Combat Evolved is a classic and revolutionary first-person shooter that everyone should experience.
Unreal Tournament 3 feels like a generic shooter and a disappointing entry in an otherwise fantastic series.
Unreal Tournament 2004 is another entry in an excellent franchise that further improves what the original game introduced.