Spelunky Classic HD (HTML5) backdrop
Community Rating
4.8
Click stars to rate (no login required)
Spelunky Classic HD (HTML5) box art

Spelunky Classic HD (HTML5)

Derek Yu's legendary procedural rogue-like platformer ported to HTML5 and WebGL.

78,501 Plays 1,840 Likes ● 100% Verified Smooth
Free 1-Click Play • Verified Direct Origin • Zero Install

About & Technical Architecture

Spelunky Classic HD brings the original 2008 indie rogue-like that defined procedural platforming to the modern browser. Featuring procedurally generated caves, destructible environments, dynamic physics, and brutal permadeath, this web build captures the precise feel of Derek Yu's original freeware classic.

🛡️ Community Verification Status
100% Reported Working

Community reports confirm this Source Engine Port runs stably across standard Chromium, Gecko, and WebKit browsers.

Does this port run smoothly on your browser?

Keybindings & Input Configuration

Action Input / Key Supported Device
● Move Arrow Keys Keyboard & Gamepad
● Jump Z Keyboard & Gamepad
● Whip / Action X Keyboard & Gamepad
● cycle items C Keyboard & Gamepad
● throw Bomb A Keyboard & Gamepad
● use Rope S Keyboard & Gamepad
● Run. Shift Keyboard & Gamepad

Frequently Asked Questions & Save Tips

How does Spelunky Classic HD (HTML5) run in a web browser without downloading? ▾

Spelunky Classic HD (HTML5) is powered by GameMaker HTML5 / WebGL. It executes code directly inside modern browsers via WebAssembly (WASM) and WebGL 2.0 with hardware acceleration and 60 FPS performance.

How does the save system work and how do I back up my progress? ▾

Game progress is handled through Browser LocalStorage/IndexedDB. Save states are stored inside your browser's private IndexedDB sandbox. Avoid clearing browser cache or cookies to preserve your saves.

Can I use a USB or Bluetooth controller with Spelunky Classic HD (HTML5)? ▾

Yes! Modern Xbox, PlayStation, and Nintendo Switch gamepads are supported natively via the browser Web Gamepad API. Connect your controller before launching.

Is playing Spelunky Classic HD (HTML5) on PortedToBrowser legal and safe? ▾

Yes. PortedToBrowser.com indexes open-source engine decompilations and verified web sandboxes. We do not host or distribute proprietary game ROMs or copyrighted binaries.

Port Changelog & Updates

Initial verified release in the PortedToBrowser technical index.

Similar Browser Ports

1-Click playable alternatives in the same genre or platform