>>11848614 (OP)EXC = True Exclusive, not counting digital store / virtual console releases
No EXC = Not Exclusive, but is the best version / recommended version of the game out of all versions
(J) = Japan-only
(J+) = Japan-only, full fan translation available
1080ยฐ Avalanche (EXC)
Amazing Island (EXC)
Animal Crossing
Battalion Wars (EXC)
Battle Stadium DON (EXC)
Big Air Freestyle (EXC)
Bomberman Generation (EXC)
Bomberman Land 2
Chibi-Robo! (EXC)
Cubic Gold Runner (EXC) (J)
Cubivore: Survival of the Fittest (EXC)
Custom Robo (EXC)
Dance Dance Revolution: Mario Mix (EXC)
Donkey Konga games (EXC), Donkey Konga 3 (J+)
Doshin the Giant (originally released for 64DD, no idea if the GCN version has the expansion)
Dragon Drive (EXC) (J)
Dream Mix TV World Champions (EXC) (J)
Eternal Darkness: Sanity's Requiem (EXC)
F-Zero GX (EXC)
Final Fantasy: Crystal Chronicles
Fire Emblem: Path of Radiance (EXC)
Shinseiki GPX Cyber Formula: Road to the Evolution (EXC) (J+)
Geist (EXC)
giFTPia (EXC) (J)
Go! Go! Hypergrind (EXC)
Gotcha Force (EXC)
Home Run King (EXC)
Kirby Air Ride (EXC)
Kururin Squash! (EXC) (J)
Luigi's Mansion (play the PAL version for the post-game with the new enemy patterns and enemy positions in the mansion)
Lost Kingdoms I and II (EXC)
Mega Man Network Transmission (EXC)
Naruto Clash of Ninja games (EXC), 3 (J)
Mr. Driller: Drill Land (J) (has a remaster on PC, you decide if you like the graphics better)
Nintendo Puzzle Collection (EXC) (J)
Odama (EXC)
P.N.03 (EXC)
Pacman VS.
Pool Edge (EXC)
Serious Sam: The Next Encounter (has a decent enough Xbox port with several differences, I prefer the GCN port)
Skies of Arcadia Legends (EXC)
Star Wars Rogue Squadron II and III (EXC)
Super Monkey Ball 1 and 2 (the Xbox version has exclusive levels, I believe there is a hack to put these into the first or second game)
Wario World (play the Japanese version for a few bug fixes and a final boss with behavior not found in NTSC-U/PAL versions)
Wave Race: Blue Storm (EXC)