ACHIEVEMENT - HOW TO UNLOCK Two Birds - Smack a bomb so that kills two or more enemies (Individual). Overkill (15 points): Destroy six enemies with one Beam Shot (Individual). Untouchable (25 points): Defeat any boss without taking damage (General). Environmental Exterminator (5 points): Destroy a Spider using spikes (General). That’s Teamwork (5 points): Destroy an enemy using a Kamikazer (General). Survivor - Kill 20 enemies in a row with only 1 health left (Individual). Collector (30 points): Collect all Marks of the Gods (Single Player only). Millionaire (30 points): Collect 1 000 000 Doubloons (Single Player only). Grand Master (30 points): Complete the full game (Individual). Don't Go Alone - Complete any Co-op Challenge Room (General). Arcade Master (20 points): Complete any Arcade Chapter below the target time (General). Enthusiast - Collect 10 Marks of the Gods (Single Player only).