☄️ Hollow World Collapse

<p><strong>Hollow World Collapse</strong> is a free planet destroyers idle game built around a strangely hollow planet. You start small with a single tap, but the magic is automation: caving it in releases echoes, and soon your Echoes climbs all on its own. Spend it on laser drones, battle cruisers and eventually a singularity bomb — each one quietly compounding your output while you do other things.</p><p>This game runs on a prestige-hungry pace built around frequent resets for permanent power. The loop is pure, moreish number-go-up: blast for an instant boost, reinvest into your arsenal, grab milestone rewards, then Big Bang for permanent Dark Matter that make every future run faster. Hollow World Collapse keeps earning offline, so there's always a satisfying welcome-back bonus waiting. It runs instantly in your browser on phone, tablet or desktop with smooth 60fps visuals, WebAudio sound you can mute, haptics and reduced-motion support — no install, no sign-up, just tap and grow.</p>

How to play

• Blast the glowing centre to earn your first Echoes.
• Open the Arsenal tab and buy your first Laser Drones to start earning automatically.
• Use the ×1 / ×10 / Max buttons to bulk-buy as your Echoes piles up.
• Spend on Boosts to multiply taps and specific arsenal output.
• Hit milestones and achievements for flashy bonuses and a rising stage.
• Big Bang once you can, trading progress for permanent Dark Matter.

Controls

Tap or click the centre (or press Space/Enter) to blast. Number keys 1–9 buy arsenal. P = Big Bang, M = music, X = mute. Fully touch, mouse and keyboard friendly.

Features

• Signature Planet Destroyers scene — a strangely hollow planet.
• Tuned for a prestige-hungry pace built around frequent resets for permanent power.
• Six tiers of arsenal from Laser Drones to Singularity Bomb.
• Offline earnings, prestige (Dark Matter), milestones and achievements.
• WebAudio sound with mute, haptics, reduced-motion — plays instantly, no download.

FAQ