List of Nintendo 64 role-playing games[Edit][Talk]
The Nintendo 64 is infamous for having few role-playing games, especially if compared to the Super Nintendo. The major reason for this is that Square and Enix both started making games exclusively for Sony's Playstation due to its CD format. Nevertheless, there were a few role-playing game on the console, some of which are considered classics to this day.
Action-adventure games can be very similar to role-playing games. One important difference is that the latter allow the player to affect character development (e.g. grinding enemies at leisure to make the character more powerful), while in an action-adventure game character development occurs at fixed locations decided by the plot (e.g. at the end of every Zelda dungeon).
Simulation game with some role-playing elements (Japan only)
Hybrid Heaven is considered a role-playing game just because it uses Experience points, with random enemy battles, and turn-based battle system (somewhere between real time and turn based similar to Parasite Eve, with combo/brawl-like battle system similar to Legend of Legaia), although the rest of it has little in common with traditional role-playing games (with some game mechanics similar to Metal Gear Solid).
Daikatana for the N64 has limited stat-point "role-playing game-mechanics" too, but hardly affects the gameplay.