Tom Clancy's Rainbow Six (Europe) (Japanese title: ロイヤルシックス) is a tactical shooter video game developed and published by Red Storm Entertainment for the Nintendo 64 in 1998. The game is based on the Tom Clancy novel of the same name, and follows the story of a fictional counter-terrorist unit called Rainbow, which is led by the eponymous John Clark. Players take control of a team of four Rainbow operatives and attempt to complete various missions by eliminating terrorists and rescuing hostages. The game features realistic 3D environments and allows players to choose from a variety of weapons and tactics to complete their objectives. Additionally, the game includes a cooperative multiplayer mode, allowing up to four players to work together to complete missions. Tom Clancy's Rainbow Six for the Nintendo 64 was critically acclaimed for its realistic portrayal of counter-terrorism and tactical gameplay, and is considered one of the best games on the system.