Glowworm Grotto Swarm

Gather to start!

What is it?

Play Glowworm Grotto Swarm free — a ceiling of living stars, then denser glow gathers more. Hire termites and watch passive Glimmer grow even while you're…

How to play

1. Gather the glowing centre to earn your first Glimmer.

2. Open the Colony tab and buy your first Termites to start earning automatically.

3. Spend on Boosts to multiply taps and specific colony output.

Why you'll love it

✦ Signature Swarm Colonies scene — a ceiling of living stars.

✦ Six tiers of colony from Termites to Termite Lord.

✦ WebAudio sound with mute, haptics, reduced-motion — plays instantly, no download.

Play Glowworm Grotto Swarm free

No download. No sign-up. Just gather and play.