Nickelodeon Extreme Tennis: Next! Achievements Here is the full list of all 11 Nickelodeon Extreme Tennis: Next! achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply First stepsFinish the tutorial A fistful of pointsScore 200 points Let's play again!Play 50 matches Sweet victoryWin 30 Matches Once upon a time...Finish the story of 13 characters Star tourEarn all stories' stars Maximum difficultyComplete all the stories in hard mode Heroic storiesEarn all stories' stars in hard mode Clay championsWin the clay tournament with all characters Grass championsWin the grass tournament with all characters Synthetic championsWin the synthetic tournament with all characters