Here is the full list of all 56 Wondershot achievements.
Fire with the 4 weapons during the same round
Juggled with two boomerangs
Applause 20 times during a replay
Defeated a Bullee in « Ruthless-Portal Kill-Sneaky »
Got 3 « Fast Killer » mentions during the same Endless battle
Got 10 « Sniper » mentions during the same Endless battle
Got 20 « Sneaky » mentions during the same Endless battle
Got 20 « Badass » mentions during the same Endless battle
Did 10 « Portal Kill » during the same Endless battle
Reached a X50 combo rate in an Endless battle
Survived 10 Endless waves without dying
Win 50 tournaments
Won 500 tournaments
Defeated 1000 monsters with a Bow
Defeated 1000 monsters with a Boomerang
Defeated 1000 monsters with a Slingshot
Defeated 1000 monsters with a Hammer
Got a GOLD medal in Endless Nature
Got a GOLD medal in Endless Kingdom
Got a GOLD medal in Endless World of Monstees
Got a DEV medal in Endless Nature
Got a DEV medal in Endless Kingdom
Got a DEV medal in Endless World of Monstees
Completed all challenges of Chapter 1
Completed all challenges of Chapter 2
Completed all challenges of Chapter 3
Completed all challenges of Chapter 4
Completed all challenges of Chapter 5
Completed all challenges of Chapter 6
Completed all challenges of Chapter 7
Completed all challenges of Chapter 8
Completed all challenges of Chapter 9
Complete all challenges
Got a Perfect Shot medal for Chapter 1
Got a Perfect Shot medal for Chapter 2
Got a Perfect Shot medal for Chapter 3
Got a Perfect Shot medal for Chapter 4
Got a Perfect Shot medal for Chapter 5
Got a Perfect Shot medal for Chapter 6
Got a Perfect Shot medal for Chapter 7
Got a Perfect Shot medal for Chapter 8
Got a Perfect Shot medal for Chapter 9
Got a DEV medal for Chapter 1
Got a DEV medal for Chapter 2
Got a DEV medal for Chapter 3
Got a DEV medal for Chapter 4
Got a DEV medal for Chapter 5
Got a DEV medal for Chapter 6
Got a DEV medal for Chapter 7
Got a DEV medal for Chapter 8
Got a DEV medal for Chapter 9
Completed a survival challenge without defeating any monster
Owned all bonuses at the same time in Endless
Reached Wave 20 alone in Endless mode
Battle without the roll activated
Win a Battle round without firing