Here is the full list of all 13 Neon Junctions achievements.
Complete the secret level
Сomplete the game
Complete the twenty-eighth level
Spend three minutes to complete one level
Finish the level in under 20 seconds
Complete the twenty-first level
Complete the fourteenth level
Restore electricity
Complete the seventh level
Complete the level with 49 cubes
Collect 99 cubes
Complete the first level
Die