REVERSE ARCADE · WAVE 01 · 1978

ALIEN SHIFT

The formation moves itself. You control the fire.

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ACTIVE FIRING COLUMN5

5 SHOTS MAX0.5–1 SEC / COLUMN

Use ←/→ to select a living column and Space to fire. Keys 1–9 and 0 fire directly without changing the active column.

01
NO MOVEMENT CONTROL
The 10×6 formation advances, turns and descends on its own.
02
ACTIVE COLUMN
←/→ select a living column and Space fires. Number keys fire directly without moving the selection.
03
FIVE SHOTS LIVE
No more than five alien projectiles may be on screen at once.
04
PER-COLUMN COOLDOWN
Each column drops from a one-second wait to half a second as its ranks are depleted.
05
ERODING SHELTERS
Three shelters take damage from both sides and are crushed when the formation reaches them.
06
AUTOMATED DEFENDER
After its third life falls, the defender disappears and the armed formation repeats its classic sweep, drop, and reverse pattern at full speed all the way to Earth.