Build an experimental item in the Proving Grounds
Earn a second tier hack reward
Cause an enemy to fall to its death
Kill a Sectoid who is currently mind controlling a squadmate
Apply a PCS upgrade to a soldier
Make contact with a region
Upgrade a weapon
Complete a Rumor
Complete a successful ambush
Complete the tactical tutorial
Score 6 Goals in a single game
Score an Aerial Goal
Learn to fight brawlers.
Complete your first Light Sword round.
Defeat the first boss.
Get the Golden Sword.
Smash 10 objects in a round.
Unlock the Three Arrows skill.
Unlock the Three Daggers skill.
Earn a bronze medal.
Earn a gold medal.
Complete the opening tutorial.
Get a 10 kill streak.
Get a 25 kill streak.
Get a Super Combo.
Earn a silver medal.
Complete "Hard Times".
Complete the fifth chapter of episode 1
Complete the fourth chapter of episode 1
Complete the third chapter of episode 1
Complete the second chapter of episode 1
Complete the first chapter of episode 1
Complete Episode 6
Complete Chapter 7 of Episode 6
Complete Chapter 6 of Episode 6
Complete Chapter 5 of Episode 6
Complete Chapter 4 of Episode 6
Complete Chapter 3 of Episode 6
Complete Chapter 2 of Episode 6
Complete Chapter 1 of Episode 6
Complete Episode 5
Complete Chapter 7 of Episode 5
Complete Chapter 6 of Episode 5
Complete Chapter 5 of Episode 5
Complete Chapter 4 of Episode 5
Complete Chapter 3 of Episode 5
Complete Chapter 2 of Episode 5
Complete Chapter 1 of Episode 5
Beat the game on any difficulty.