Grisaia Phantom Trigger Vol.4 Achievements Here is the full list of all 25 Grisaia Phantom Trigger Vol.4 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 Solo Mission: ApprovedBoot up the game! The Reason She SurvivedComplete chapter 1! The Four of UsComplete chapter 2! The Ninja and IComplete chapter 3! BSP (Bamboo Soldier Project)Complete chapter 4! Gift BombComplete chapter 5! Sengoku TaigaComplete chapter 6! Taiga & ChristinaComplete chapter 7! Tohka & Gumi's Sniper TryoutsComplete chapter 8! Teenage Russian Ninja SenpaiComplete chapter 9! Maki-avellianismComplete chapter 10! Training DaysComplete chapter 11! Remember Your Mother?Complete chapter 12! Sengoku Taiga's EvaluationComplete chapter 13! Between a Rock...Complete chapter 14! ...And a Hard PlaceComplete chapter 15! Thanatos and IComplete chapter 16! Broken Spear, Unyielding SpiritComplete chapter 17! One DownComplete chapter 18! The Major and the MinorComplete chapter 19! Mission CompleteComplete chapter 20! When All's Said and DoneComplete chapter 21! SORD WordsmithPlay the game in English Dual-Wielding GunslingerPlay the game in English Triple-Wielding GunslingerPlay the game in Simplified Chinese