Contents of this folder:
6 64DD translated games. The 64DD is a magnetic disk drive peripheral for the Nintendo 64
F-Zero (T)
Mario Artist - Paint Studio (T)
Mario Artist - Polygon Studio (T)
Mario Artist - Talent Studio (T)
Mario Artist - Paint Studio Prototype (T)
SimCity 64 (T)

Play these with the included Project64 emulator, it's already preconfigured for you to play these. They should work with other emulators if you use the proper plugin

In order to play F-Zero X, open Project64 and select Open Combo (Ctrl+Shift+O) and first select the regular F-Zero X N64 ROM, then select the F-Zero X (T).ndd ROM found in here