Here is the full list of all 50 Aeolis Tournament achievements.
Finish last with at least 20 saves in a game of at least 6 participants (Time Rule)
Earn 10,000 total Aeolis Coins from Achievements and Tournaments. (Includes Aeolis Coins you've spent)
Get 500 total KOs across any number of games
Have 0 Falls in a game of 2 minutes or more (Time Rule)
Score 99 total goals across any number of games
Enter your own base's hole with at least 15 small marbles in a game of 2 minutes or less (Time Rule)
Get 500 Total Hits across any number of games
Get 10 total matches MVP across any number of games
Win a game despite having 5 friendly-KOs with your character (Time Rule)
Win every round in a game of at least 3 rounds and 6 participants (Points Rule)
Get 3 assists on Hard Difficulty in a game of 2 minutes or less with at least 6 participants (Time Rule)
Reach a KO Streak of 10 during a game (Time Rule)
Win or be the MVP of each game in a Tournament of at least 5 games
KO all opposing team players at the same time in a game on Hard difficulty with at least 8 participants
Score 3 goals on Hard Difficulty in a game of 2 minutes or less with at least 6 participants (Time Rule)
Get 15 KOs in a game of 2 minutes or less (Time Rule)
Score at least 10 Goals with your team in a game of 2 minutes or less with your team (Time Rule)
Have 0 Falls in a game of at least 2 minutes (Time Rule)
Get 500 Total Points across any number of games
Push every opponents in their own base's hole in a game with at least 6 participants (Time Rule)
Destroy an incoming snowball by throwing your snowball at it a total of 25 times across any number of games
Get 25 KOs in a game of 2 minutes or less (Time Rule)
Score 5 total goals by pushing another player on the puck across any number of games
Score a goal with a Soccer ball, a Volleyball, a Tennis Ball, a Beach ball, a Football and a Hockey puck in a game
Lose a game against 7 other CPU Participants
Win each game mode at least once on Hard difficulty with at least 4 participants
Hit the opposite team's posts a total of 15 times across any number of games
Play 30 total games (Quick Game or Tournament games)
Hit every other player at least once in a game with 8 participants
Get a Goal, an Assist and a Save in a game of 2 minutes or less with your character (Time Rule)
Win a Free-For-All game against only human players with at least 4 participants
KO every other player at least once in a game with 8 participants
Win a Team game mode with a team of 4 human players
Be named the MVP in each team game mode at least once
Score by throwing a small marble from far away
Win any kind of online Tournament
Participate in any kind of online Tournament
Get a KO only by pushing with your air blaster (No bombs or rubble)
Win a game with 0 Saves (Time Rule)
Get Hit 5 times or less in a game of 2 minutes or more (Time Rule)
Win a Quick Game with any settings
Get 25 Hits in a game of 2 minutes or less (Time Rule)
Win a game of any game mode without using your Air Blaster Once (Do not press the button)
Win a Tournament with each of the 6 characters included in the base game
Buy all the rewards from the shop included in the base game
Win a game on Hard difficulty after trailing by at least 5 goals
Score 100 total goals with your character across any number of games
Get 3 saves and don’t allow a goal in a game of 2 minutes or more with at least 6 participants (Time Rule)