Gamma Bros 1.5
achievement guide & roadmap
Little Bro
Win on Easy
24.2%
No guide has been input for this achievement yet
Big Bro
Win on Normal
26.1%
No guide has been input for this achievement yet
Mega Bro
Win on Hard
17.5%
No guide has been input for this achievement yet
Goldie
Kill The Elusive Gold Head
36.4%
No guide has been input for this achievement yet
Triple Threat
Defeat The Triple Ship Boss
57.4%
No guide has been input for this achievement yet
Brain Buster
Defeat The Brainiac Boss
42.4%
No guide has been input for this achievement yet