Another for Mission Impossible 64 here, and also Fighting Force 64, Body Harvest and Pokemon Stadium without the transfer pack.
I had the majority of the must-play N64 games throughout it's lifespan and it saddens me that I devoted a months of my life to janky shit like the above when I could have been playing more OoT, Majora's Mask, Goldeneye, Mario 64, Banjo Kazooie, Perfect Dark etc.
Also played the crap out of Simpsons Wrestling and A Bug's Life on the PS1 when I could have been playing MGS or Abe's Oddysee.