Favorite Minigame!

[SpiderStaryu]

MP4: Team Treasure Trek
MP5: Coney Island
MP6: Granite Getaway
MP7: Track and Yield

I think this is pretty much it. It was hard to narrow it down with MP4, since I love a lot of it's Mini-Games. XD

 

[PremiumEagle7]

Mario Party 4: Manta Rings, Bob-omb Breakers, Dungeon Duos, Stamp Out, Booksquirm, Hop or Pop, Blame it on the Crane, Money Belts
Mario Party 5: Dinger Derby, Coin Cache, Ground Pound Down, Night Light Fright, Pushy Penguins, Leaf Leap, Shy Guy Showdown, Countdown Pound, Sky Survivor
Mario Party 6: Odd Card Out, Lift Leapers, What Goes Up, Granite Getaway, Sunday Drivers, Pop Star, Verbal Assault, Rocky Road, Control Shtick 
Mario Party 7: Track & Yield, Fun Run, Oil Crisis, La Bomba, Pogo-a-Go-Go, Number Crunchers, Buzzstormer, Monty's Revenge, Light Speed, Hammer Spammer, Grin and Bar It, Gimme a Break, Bumper to Bumper

 

[deadlyximpulse]

My favorite mini-game of all time was avalanche from mario party 4

 

[zacktheninja300]

The one from 6 I think where you run down a cliff from a giant bolder.

 

[Darkboo007]

The one from 6 I think where you run down a cliff from a giant bolder.

Granite Getaway!!!

MP4: Trace Race
MP5: Triple Jump
MP6: Circuit Maximus
MP7: The Final Countdown

 

[charles109]

Mario Party 4: Trace Race
Mario Party 5: Coney Island
Mario Party 6: Smashdance
Mario Party 7: Fun Run

 

[HerbertMcHoover]

MP4: Dungeon Duos
MP5: Fish Upon a Star
MP6: Granite Getaway
MP7: Fun Run

 

[saxprodigee]

Team Treasure Trek from MP4. It wins hands down and I wish another one similar to TTT would be made.

 

[gameguy1996]

MP4:Three Throw
MP5anic Pinball
MP6:Throw Me a Bone
MP7:Bubble Brawl

 

[Baconfat23]

I've only played 6-7 so I'm going to say

Mario Party 6: Lift Leapers OR Lab Brats
Mario Party 7: Picture Perfect OR Bridge Work

 

[Luigidenne3DSGCN]

4. Mario Speedwagons
5. Coney Island
6. Granite Getaway
7. Fun Run

 

[SirYoshi211]

My favorite mini-game in each GCN Mario Party are:

4. Trace Race or Avalanche!
5. Pushy Penguins
6. Stamp by Me (Circuit Maximus comes very close.)
7. Fun Run

 

[Spongyoshi]

I think Panel Panic from MP4 or Pop-Star Pirhana from MP5 

 

[TwoDreamy Luigi]

My favorite Minigame from each Gamecube Mario Party game are:

*MP4: Blame It on the Crane, Avalanche! (funny), Booksquirm, Dungeon Duos, Paths of Peril, Chain Chomp Fever
*MP5: Bill Blasters, Fish Upon a Star, Panic Pinball (so classic it's good)
*MP6: Rocky Road, Clean Team, Dust 'til Dawn, Granite Getaway, Lift Leapers
*MP7: The Final Countdown, Take Me Ohm, Snow Ride, Spider Stomp, Camp Ukiki, Funstacle Course, 'Jump, Man', Unhappy Trails, Grin and Bar It