Beat Invaders
A rhythm-based space shooter. Enemies pulse and shoot in sync with the BPM. Crank the tempo for chaos — slow it down for precision. Every beat is a threat.
SPRITE × BEAT
BEAT INVADERS
Enemies spawn and pulse in rhythm.
Adjust BPM to change their behavior.
← → or A D — move
SPACE or W — shoot
GRUNT
10 pts · Shoots on any beat
MID
20 pts · Shoots on beats 2 & 4
APEX
30 pts · Shoots on downbeat
design notes: enemy direction reverses on each downbeat (beat 1).
higher BPM → more frequent reversals → harder to predict. 5+ combo streak = 2× point multiplier.
built with Web Audio API — no deps. rhythm system mirrors beat/groove's BPM engine.