Nintendo needs to make real games on Wii.
For some people's complaints about Nintendo not focusing on "real" games enough, it seems they've got more than they did with GamCube, even before we know what they'll show at E3. For GameCube I think I've got all NOA-released titles for 2001 and 2002. For Wii I've listed titles with 2007 NOA release dates.
Series showing up on both; a wash
||Mario Party 4|Mario Party 8
Metroid Prime|Metroid Prime 3: Corruption
Super Mario Sunshine|Super Mario Galaxy
Super Smash Bros. Melee|Super Smash Bros. Brawl
3 traditional|3 traditional
1 nontraditional|1 nontraditional||
GameCube vs Wii
||Animal Crossing|Battalion Wars 2
Eternal Darkness: Sanity's Requiem|Big Brain Academy: Wii Degree
Luigi's Mansion|Donkey Kong Barrel Blast
Magical Mirror Starring Mickey Mouse|Endless Ocean
NBA Courtside 2002|Excite Truck
Pikmin|Fire Emblem
Star Fox Adventures|The Legend of Zelda: Twilight Princess
Wave Race: Blue Storm|Mario Strikers Charged
|Pokémon Battle Revolution
|Super Paper Mario
|WarioWare: Smooth Moves
|Wii Play
|Wii Sports
6 traditional|8 traditional
2 nontraditional|5 nontraditional||
Total
||GameCube|Wii
9 traditional|11 traditional
3 nontraditional|6 nontraditional||
Italicizing those titles that frequently get derided for being nongames, kiddy games, or minigame fests by the hardcore, Wii leads GameCube on both counts.
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-Yearly Comparisons
I above combined things in 2001+2002 and 2006+2007 to talk about overall statistics, but here's how things would be split between years and not sticking series showing up on both into a separate category.
Year 1
||N64 1996|GCN 2001|Wii 2006
Cruis'n USA|Luigi's Mansion|Excite Truck
Killer Instinct Gold|Pikmin|The Legend of Zelda: Twilight Princess
Pilotwings 64|Super Smash Bros. Melee|Wii Sports
Star Wars: Shadows of the Empire|Wave Race: Blue Storm|
Super Mario 64| |
Wave Race 64: Kawasaki Jet Ski| |
6 traditional|4 traditional|2 traditional
0 nontraditional|0 nontraditional|1 nontraditional||
N64 > GameCube > Wii in total and traditional. Worth noting N64 was out two more months than GCN and Wii the first year.
Year 2
||N64 1997|GCN 2002|Wii 2007
Blast Corps|Animal Crossing|Battalion Wars 2
Bomberman 64|Eternal Darkness: Sanity's Requiem|Big Brain Academy: Wii Degree
Cruis'n World|Magical Mirror Starring Mickey Mouse|Donkey Kong Barrel Blast
Diddy Kong Racing|Mario Party 4|Endless Ocean
GoldenEye 007|Metroid Prime|Fire Emblem
Mario Kart 64|NBA Courtside 2002|Mario Party 8
Mischief Makers|Star Fox Adventures|Mario Strikers Charged
Star Fox 64|Super Mario Sunshine|Metroid Prime 3: Corruption
Tetrisphere| |Pokémon Battle Revolution
| |Super Mario Galaxy
| |Super Paper Mario
| |Super Smash Bros. Melee
| |WarioWare: Smooth Moves
| |Wii Play
9 traditional|5 traditional|9 traditional
15 cumulative|9 cumulative|11 cumulative
0 nontraditional|3 nontraditional|5 nontraditional
0 cumulative|3 cumulative|6 cumulative||
Traditional for the year: N64 = Wii > GCN
Traditional cumulative: N64 > Wii > GCN
Nontraditional for the year: Wii > GCN > N64
Nontraditional cumulative: Wii > GCN > N64
Total for the year: Wii > N64 > GCN
Total cumulative: Wii > N64 > GCN