Here is the full list of all 49 Soda Crisis achievements.
Defeat the Invincible Robot
Defeat the Cola Gorillan
Defeat the Mindcraker
Defeat the Ancient Guard
Finish the game of Umbrellios Defender
Defeat the core of Water Bear
Obtained 100 items
Killed 4 enemies at an explosion
Finish the game of San Person
Watch credits
Killed 100 enemies
Killed 500 enemies
Killed 1000 enemies
Killed 4 enemies once in air
Drown
Poisoned
Complete the Stomping Challenge
Use cola syrup to yourself, but what for?
Killed 100 enemies during Counter Time
Spent 10000 crystals
Energy capacity reaches 22
Unlock core module
Obtain your first tactical item
Obtain Pistol
Obtain Submachine Gun
Obtain Smart Gun
Obtain Shotgun
Obtain Sniper Rifle
Obtain Laser Gun
Obtain Grenade Launcher
Obtained 7 Primary Weapons
Killed 200 enemies with melee
Killed 30 enemies without taking damage
Killed 50 enemies with rebounded bullet
Died 30 times
Killed 100 enemies by Doomie
Complete the Saw Challenge
Complete the Umbrella Challenge
Complete the Quantum Leap Challenge
Finish the game
Obtain a hidden item
Release Doomie
Complete a level block without dealing damage mutually
Accept Doctor's persuasion
Obtain game catridge
Complete the Sewer Challenge
Complete the Wheel Challenge
Complete the Flippy Bird Challenge
Go to a concert