Game Boy Advance
Professional Boss Slayer
Complete all boss segments Challenge Mode B
Achievement in Gradius Galaxies
25Points
0Nobody has unlocked it yet
—
Of this game's players
No dataRarity
- One of this game's 49 achievements
Want to unlock “Professional Boss Slayer”?
Play Gradius Galaxies on Etera, track your progress and climb the rankings.
Get Etera See all achievementsMore achievements in Gradius Galaxies
-
5 pts
-
5 pts
-
5 pts
-
5 pts
-
5 pts
-
5 pts
-
5 pts
-
5 pts