Here is the full list of all 42 Petoons Party achievements worth 1,000 gamerscore.
Play 100 minigames
Play with all the characters
Play 10 games on Board Mode
Play 10 games on Cup Mode
End a game on Kimera Island
Unlock all the minigames on Kimera Island
End a game on Story Island
Unlock all the minigames on Story Island
End the Oki Cup
End the Moki Cup
End the Super Cup
End the Mystery Cup
Play all the minigames
Push 5 players into the river in a game of River Madness
Get 5 points in a game of River Madness or Spooky Madness
Get one point for each ingredient of a game of Spooky Madness
Get 15 coins in a game of Reef Monsters or Lava Monsters
Survive a game of Reef Monsters or Lava Monsters
Get hit by 5 rays in a game of Reef Monsters
Win the game when you reach the maximum height in Town Balance
Win the game by reaching the maximum height in Farm Balance
Do not take explosive fruits in a game of Town Balance or Farm Balance
Do not drop any honey pot in a game of Farm Balance
Be the only player on the platform at the end of the round in Spinning Fruits or Spinning Cakes
Survive 4 rounds in Spinning Fruits
Survive 4 rounds in Spinning Cakes
Don’t miss any note with the drum on Jungle Jam
Don’t miss any note with the guitar on Jungle Jam
Don’t miss any note with the maracas on Jungle Jam
Don’t miss any note with the trumpet on Jungle Jam
Don’t miss any note with the drum on House Jam
Don’t miss any note with the guitar on House Jam
Don’t miss any note with the maracas on House Jam
Don’t miss any note with the trumpet on House Jam
Collect 5 powerups in a game of Kaboom Temple or Kaboom Ruins
Destroy 5 obstacles in a single game of Kaboom Temple or Kaboom Ruins
Win a game being the only player alive on Kaboom Temple
Win a game being the only player alive on Kaboom Ruins
Defeat the boss in less than 150 seconds on Volcano Master or Castle Master
End with 5 Mokis on Volcano Master
Defeat the Boss without taking taking damage on Volcano Master
Defeat the Boss without taking taking damage on Castle Master