Collect all seven hidden jewels, then speak with Joule to get the Handmade Necklace.Broken Necklace
Successfully complete the "Firmament" level with the Handmade Necklace equipped to get the Broken Necklace.Fight the True Final Boss
Successfully complete the "Firmament" level for the second time with the Handmade Necklace equipped to fight the True Final Boss.Best ending
Defeat the True Final Boss to view the Best ending.Special missions
Defeat the True Final Boss to unlock four Gauntlet-style special missions. They do not have checkpoints and include more enemies than the normal stages.The Dullahan weapon
Successfully complete all four special missions to unlock The Dullahan weapon. The Dullahan bullets are more powerful but cannot tag enemies for electrical attacks.Lumen Audiolockets
Spend at least 3,000 Kudos at a checkpoint or while earning an offensive skill to get a special pendant that can be synthed. Equip that pendant to change the background music to a particular song when you spend enough Kudos in a specific area. Note: This effect happens the first time you reach 1,000 kudos. The audiolockets can be found at the following locations:
- Audiolocket 1 (Beyond The Blue): 1st Sumeragi
- Audiolocket 2 (Nebulous Clock): Subaquatic Base
- Audiolocket 3 (Azure Door): Media Tower
- Audiolocket 4 (Pain From The Past): Biochem Plant
- Audiolocket 5 (Scorching Journey): Datastore
- Audiolocket 6 (Rouge Shimmer): Stratacombs
- Audiolocket 7 (A Zip To The Moon): Pharma Lab
Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.
- A Bolt Out of the Blue: Complete all of the Achievements.
- Begone You Monster!: Obtain a S+ Rank on the Babel Stage.
- Big Bad Electro Middle Schooler: Use over 100,000,000kw worth of electricity.
- FEED MEEE!!: Obtain a S+ Rank on the Pharma Lab Stage.
- Go Straight to Hell!: Obtain a S+ Rank on the Biochem Plant Stage.
- Hasta La Vista: View the Normal Ending of the game.
- It's My Hobby!!: View the “Creepy Electro-whip Guy” sequence..
- It's My Secret Love Technique!!: Obtain a S+ Rank on the Sinner's Row Stage.
- Mantis, Move Out!: Obtain a S+ Rank on the 1st Sumeragi Stage.
- Master of the 7 Dragons: Acquire all of the weapons in the game.
- My Songs Will Be Your Wings: View the True Ending of the game.
- My Will is Already Written in the Stars!: Obtain a S+ Rank on the Firmament Stage.
- One With the Lightning: Acquire all of the weapons in the game.
- Oversurge! Azure Striker!: Learn all of the skills in the game.
- Pure Euphoria!: Obtain a S+ Rank on the Datastore Stage.
- Seeker in Blue: Complete all the Challenges in the game.
- Sumeragi Run: Move a total distance of 42 kilometers.
- Surmount the Insurmountable: Obtain S+ Ranks on all of the Special Stages.
- Tanks Aren't Supposed to Jump!!: Obtain a S+ Rank on the Urban Run Stage.
- The Lamest of Lame...: Obtain a S+ Rank on the Subaquatic Base Stage.
- The Muse's Voice: Listen to all of the songs in the game.
- Together With Joule: Talk with Joule 10 times.
- Waaay Too Slow!: Obtain a S+ Rank on the Media Tower Stage.
- Why Don't You Take a Snooze...Forever!: Obtain a S+ Rank on the Eridu Stage.
- You're Gonna Be My New Plaything: Obtain a S+ Rank on the Stratacombs Stage.