How Many Banjo-Kazooie Games on Nintendo 64?

Two main titles:

1. Banjo-Kazooie (1998)
2. Banjo-Tooie (2000)

Spin-offs on other platforms: Banjo-Pilot (GBA), Banjo-Kazooie: Grunty's Revenge (GBA), Banjo-Kazooie: Nuts & Bolts (Xbox 360).