Full list of all 19 Nebula Invasion achievements.
The base game contains 4 achievements, and there is 1 DLC pack containing 15 achievements.
Warping to the Rust Belt Nebula.
Warping to the Dog Spirit Nebula.
Warping to Deep Space.
You are now entering the Outer Limits. How far will you go?
Used the Double Canon Power-Up for the first time.
Used the Triple Canon Power-Up for the first time.
Used the Rapid Fire Power-Up for the first time.
Used the Plasma Canon Power-Up for the first time.
Destroyed your first big saucer. They are mad!
Destroyed your first mini saucer. They are amazed!
Got the first boss! Now he's sleeping with the fishes.
No more chicken for him.
He sure could take a punch.
Failed to kill all aliens in 2 minutes.
Used the Quantum Charging Canon Power-Up for the first time.