As a single-player or multiplayer FPS experience Perfect Dark is unparalleled on the console systems.
It's not just one of the single most atmospheric games ever created, but it's also quite simply one of the best.
Halo: Combat Evolved
Not only is this easily the best of the Xbox launch games, but it's easily one of the best shooters ever, on any platform.
Starcraft II: Wings of Liberty
The first of three sequels in Blizzard's legendary sci-fi real-time strategy series focuses on the Terran faction.
Unreal Tournament (1999)
Unreal Tournament is the most complete first-person shooter available.
A prequel to the original Halo, Halo: Reach follows a SPARTAN squad as they fight the Covenant on a besieged fortress world.
Crysis is a Sci-Fi FPS game for the PC in which mankind must struggle to survive in the face of an alien invasion.
Bungie's popular first-person shooter makes its debut on the Xbox 360 with Halo 3.
Gone Home is a first-person game entirely about exploration, mystery, and discovery.
Command & Conquer: Red Alert
There are new weapons, enemies, and levels, but the game engine and basic play are essentially the same.
Despite a rather short campaign and a disappointing storyline, Halo 2 is an exceptional shooter that frequently delivers thrilling, memorable, and unique moments in its online, co-op, and single-player modes.
Unreal Tournament 2004
No other multiplayer-focused action game has this much to offer.
What really makes Battlezone so special is the way it blends the adrenaline rush of first-person action games with the strategy and resource management of Red Alert.
Star Wars Rogue Leader: Rogue Squadron II
Rogue Leader: Rogue Squadron II improves upon its predecessor and serves up one of the best showcases for Nintendo's new system and an equally impressive game.
Half-Life is the closest thing to a revolutionary step the genre has ever taken.
FreeSpace 2 is one of the best space sims ever made and is a solid candidate for game of the year.
Cavedog has done a commendable job of taking the basic mechanics of real-time strategy and using them to create something new.
The Chronicles of Riddick: Escape From Butcher Bay
It's easily one of the most-impressive games on the Xbox and seems destined to be remembered as the most inspiring collaboration between Hollywood and the gaming industry yet.
Dino Crisis 2
Dino Crisis 2 avoids the stereotypes of the genre and delivers one of the most refreshing takes on the third-person action shooter to date.
If you don't like Descent at least a little bit, make no mistake, there is something wrong with you.
Command & Conquer
Overall Command & Conquer is a great strategy game and easily the best available on the PlayStation.