OGPT
The first boss: a black-and-white machine built around one large eye, with a drone phase before you can hurt it. It is the first of the nine bosses.
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The drone phase
OGPT does not take damage at first. It sends out drones in several sets, each set coming in smaller groups, and every one of them has to be destroyed before the boss itself is open to your shots.
More drones peel off from the sides while you work through the sets. A drone that touches your ship hurts, and one that slips past you starts again from OGPT, so leaving a drone alive only gives it another run at you.
The attack phase
Once the drones are gone OGPT can be damaged, and it has a wide set of attacks that take turns:
- a dart that comes straight down the middle;
- volleys from its two hands, and a burst that chains out from them;
- a shotgun-style spray, where one hand points at you and OGPT dives toward your side of the screen;
- a sniper shot with a visible sight that lines up on you before it fires;
- a barrage of missiles that always leaves part of the screen free;
- hammers that slam down on either side, with a gap beside you.
Tips
Learn the tells. Most of its attacks wind up visibly, and the hammers and the missile barrage both leave a safe lane. Keep the drones from piling up in the first phase, because the second phase is much easier to read with a clear screen.