Here is the full list of all 32 J-Jump Arena achievements.
Win a Single Player game of "Last Man Standing" against 9 bots.
Win a Single Player game of "Disappearing Platforms" against 9 bots.
Win a Single Player game of "Treasure Hunter" against 9 bots.
Win a Single Player game of "Peaceful Race" against 9 bots.
Win a Single Player game of "Weapon Race" against 9 bots.
Reach Player Level 1.
Reach Player Level 5.
Reach Player Level 10.
Win your first public online game.
Eliminate 5 players in public games with a Revolver.
Eliminate 20 players in public games with a Dynamite.
Eliminate 5 players in public games with a Landmine.
Eliminate 10 players in public games with a Shotgun.
Eliminate 10 players in public games with a Bazooka.
Eliminate 20 players in public games with a Grenade.
Eliminate 100 players in total in public games.
In public games of "Treasure Hunt", collect valuables that sum up to 1000 score.
In public games of "Treasure Hunt", collect valuables that sum up to 500 score.
In public games of "Treasure Hunt", collect valuables that sum up to 100 score.
Win a public game of "The Last Man Standing" with 10 players in it.
Eliminate 500 players in total in public games.
Play 10 public online games.
Win 5 public online games of "Disappearing Platforms".
Play 100 public online games.
Play 500 public online games.
Play an online game with at least 4 friends.
Win 5 public online races.
Reach the finish line 20 times in public online races.
Win 10 public online games.
Win 100 public online games.
Win a game of "Last Man Standing" after a nuclear explosion goes off in a public game.
Win a Single Player game of "Deathmatch" against 9 bots.