Onsen Master Achievements Here is the full list of all 36 Onsen Master 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 Big BossDefeat Boss Oni The Onsen MasterGet three stars on all levels A Spirited TeamGet 3 stars on all Nakatsukuni Levels Where's the Dango?Get 3 stars on all Umiguchi Levels The Oldest OnsenGet 3 stars on all Akamiya Levels The Old TreeGet 3 stars on all Furuki Levels Welcome to the bONeSENGet 3 stars on all Dokurodai Levels At the SummitGet 3 stars on all Tenguyama Levels Wanna' Wrestle?Defeat Big Kappa Whatever Floats Your BoatDefeat Big Bozu Kitsune TsukiDefeat Big Kitsune Root of the ProblemDefeat Bad Kodama Old BonesDefeat Gashadokuro Better TogetherPlay Co Op Mode at least once The Young ApprenticeStart Story Mode Oldest PatronHeal Old Customer 30 times A New Customer!Heal Young Woman 30 times Rough Around the EdgesHeal Ruffian 30 times Lets Party!Heal Umiguchi Customer 30 times Refined WatersHeal Akamiya Customer (Woman) 30 times Oh You FancyHeal Daimyo 30 times Here for PleasantreesHeal Furuki Customer 30 times Believe it!Heal Ninja (Young Man) 30 times Was that a Jutsu?Heal Ninja (Woman) 30 times Don't Spill!Heal Kappa 30 times Making WavesHeal Umi Bozu 30 times Kon Kon!Heal Kitsune 30 times Full of SpiritHeal Kodama 30 times Full of MischiefHeal Sudama 30 times Gasha GashaHeal Skeleton 30 times With a GustHeal Tengu Guard 30 times You feel a soothing Calm!Mix Calm Root (Red Ing.) 100 times You feel Cured!Mix Curashell (White Ing.) 100 times Merriment fills you!Mix Merryseed (Blue Ing.) 100 times You feel at Peace.Mix Peacesprout (Yellow Ing.) 100 times You are filled with Wellness!Mix Wellberry (Green Ing.) 100 times