Complete Chapter 1 ('Level Skip' and 'Movie Mode' cheats disable achievements).

Complete Chapter 2.

Complete Chapter 3.

Complete Chapter 4.

Complete Chapter 5.

Complete Chapter 6.

Complete Chapter 7.

Complete Chapter 8

Complete Chapter 9.

Complete Chapter 10.

Complete Chapter 11.

Drop the bridge on some stormtroopers in Chapter 11.

Complete Chapter 12.

Complete Chapter 13.

Complete Chapter 14.

Go through one of the shields in Chapter 6 during the first loop.

Complete Chapter 15 and watch the finale.

Gain an extra life.

Get to 4 extra lives.

Clear Chapters 1 to 3 on Hard difficulty in one go without using continues.

Clear Chapters 4 to 6 on Hard difficulty in one go without using continues.

Clear Chapters 7 to 9 on Hard difficulty in one go without using continues.

Clear Chapters 10 to 12 on Hard difficulty in one go without using continues.

Clear Chapters 13 to 15 on Hard difficulty in one go without using continues.

Achieve a score of 50000.

Achieve a score of 75000.

Achieve a score of 100000 points.

Clear every level in one session.

Watch one of the game over cutscenes in Chapters 2, 3, 8, 13 or 15.

Clear the first half of Chapter 3 with less than 4 flight errors.

Clear Chapter 7 without any flight errors.

Clear Chapter 10 with less than 4 flight errors.

Clear Chapter 1 having destroyed at least 40 TIE Fighters.

Clear Chapter 5 having destroyed at least 70 TIE Interceptors.

Clear Chapter 8 having destroyed at least 65 TIE Interceptors.

Clear Chapter 14 having destroyed at least 65 TIE Phantoms.

Complete Chapter 2 with at least 95% accuracy.

Complete Chapter 11 with at least 85% accuracy.

Complete Chapter 12 with at least 90% accuracy.

Perform a barrel roll.