Destroy level-1 boss

Destroy level-2 boss

Destroy level-3 miniboss

Destroy level-3 boss

Destroy level-4 miniboss

Destroy level-4 boss

Destroy level-5 miniboss

Destroy level-5 boss

Destroy level-6 boss

Destroy level-7 boss

Destroy everything

Complete the game on 'Easy' difficulty setting

Complete the game on 'Normal' difficulty setting

Complete the game on 'Hard' difficulty setting

Complete the game on any difficulty setting with no deaths

Complete the game on any difficulty setting 2 times in a row

Complete the game on any difficulty setting using only alternate firing

Complete the game on 'Hard' difficulty setting with no deaths

Complete the game on any difficulty setting in coop mode

Complete the game on any difficulty setting in coop mode without any single shot and deaths from player 2

Die 100 times

Find all hidden power-ups

Steal a life while playing coop mode

Use maximum charged alternate fire for all weapons

Earn an extra life

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Collect all power-ups in the game (including all hidden power-ups)

Earn 500000 points

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Gather 10 quadropods on the screen on level 6

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Kill 10 enemies with one shot

Listen all tracks in music test menu (Complete the game to unlock it)