How many years has it been since your favorite game series had a release?

[G2ThaUNiT]

Oh man, some of these are gonna hurt! I'm only including new game releases

Half-Life (6 years)

StarCraft (16 years)

Warcraft RTS (24 years)

Unreal Tournament (19 years)

Quake (4 years but technically 9 years)

Age of Empires (5 years)

Halo (5 years)

Gears of War (0 years)

WipEout (14 years)

Donkey Kong (less than 1 year)