Neotokyo is a first person shooter game. The setting emulates combat between two cybernetically enhanced special operations groups. The game takes place in the near future world of Tokyo, where after a failed change to the Japanese Constitution a military coup is staged by a GSDF SOG, "JINRAI". Trying to protect the constitution at all costs, the Prime Minister of Japan pools former military intelligence and police members into a group group called the National Security Force (NSF). Here, the secret wars between the two factions play out, deciding the fate of Japan"

...With the occasional motorcycle thrown in. (Thanks for the tip David)