Destroy the Atlas on difficulty Insane

Destroy the 'Shrimp' Construction Machine on difficulty Easy or higher

Destroy the 'Shrimp' Construction Machine on difficulty Normal or higher

Destroy the 'Shrimp' Construction Machine on difficulty Hard or higher

Destroy the 'Shrimp' Construction Machine on difficulty Insane

Destroy 20 CCTV cameras

Shoot down a Zeppelin

Unlock all achievements

Kill 50 enemies with electricity only

Complete all Barrens levels on difficulty Normal or higher

Blow up 30 fussion cells

Kill a Heavy Scarab on difficulty Easy

Kill a Heavy Scarab on difficulty Normal

Kill a Heavy Scarab on difficulty Hard

Kill a Heavy Scarab on difficulty Insane

Destroy a CLN Gunship within 5 seconds on difficulty Easy

Destroy a CLN Gunship within 5 seconds on difficulty Normal

Destroy a CLN Gunship within 5 seconds on difficulty Hard

Destroy a CLN Gunship within 5 seconds on difficulty Insane

Complete all Barrens levels on difficulty Hard or higher

Destroy 2 CLN Gunships within 20 seconds on difficulty Easy

Destroy 2 CLN Gunships within 20 seconds on difficulty Normal

Destroy 2 CLN Gunships within 20 seconds on difficulty Hard

Destroy 2 CLN Gunships within 20 seconds on difficulty Insane