Cleared stage 6
Defeated Tsih while she's stealthed
Defeated Alte without being spotted by the Search Light
Cleared stage 1 with rank A or higher
Cleared stage 5
Defeated the Ultimate Weapon without being hit by reflected beams
Unlocked 10 weapons
Cleared stage 4
Cleared stage 3
Cleared stage 2
Unlocked the first weapon
Cleared stage 1
Cleared all achievements in Sora
Cleared stage 7
Cleared stage 2 with rank A or higher
Cleared stage 3 with rank A or higher
Cleared stage 4 with rank A or higher
Cleared stage 5 with rank A or higher
Cleared stage 6 with rank A or higher
Cleared stage 7 with rank A or higher
Defeated a boss on Special difficulty
Defeated three bosses on Special difficulty
Defeated five bosses on Special difficulty
Defeated the Guardian on Special difficulty
Unlocked all weapons
Cleared a stage with S rank
Defeated Mira without being hit by rolling blades
Defeated the Operator after defeating 30 wisps
Defeated the Breaker without being hit by bombs
Defeated the Breaker phase 2 after destroying all warheads
Defeated the Dancer without being hit
Defeated the Guardian in under 1 minute