Atomaders/Walkthrough

Campaign
Your goal in the game is to destroy cyborgs per each level, the cyborg formation at first will start moving slowly sideways, but as more cyborgs are destroyed in the said level, cyborgs will start moving in sideways faster and they will eventually start to descend the lesser cyborgs there are in the screen, some formations can already descend down to the ship from the start.

Plot
The game doesn't have much of a plot, but what the game tells is that Leda Prime is a planetary system that you have to liberate from cyborg invasion, and there 5 planets within in.

Leda Prime and Leda Prime Part 2
Campaign is split into 2 segments, Leda Prime and Leda Prime 2, which means you will replay the 5 planets one more time after finishing the first Campaign segment, the difference between the two segments is that the cyborg formation for all levels in all 5 planets are different between Leda Prime and Leda Prime 2, some formations on Leda Prime 2 are larger, faster, and trickier to finish.