Step into a first-person 3D world and build it block by block — platforms, towers, anything. Walk through your creation, download the finished standalone HTML file, then send it to us. We explore the best ones and add them to the archive.
opens the immersive 3D builder — Esc or ✕ to come back
Live — click inside to grab the mouse. Esc releases it, a second Esc exits the builder.
Hold LMB, drag a box, release to build · Hold E or RMB, drag to erase · 2×SPACE fly · 1–8 material (7 👾 mob spawner · 8 🚩 player start) · ▶ Test my game to fight your mobs
Box gesture: hold LMB, drag, release. Everything is live.
keys 1–8 in the world · 1–5 materials · 6 custom · 7 👾 mob spawner · 8 🚩 player start
Place 👾 mob spawners (hostile mobs hunt the player) and one 🚩 player start, choose the weapon, then test-play right here. The mobs, weapon and your colors all ship inside the downloaded file.
no box yet — hold LMB in the world and drag
Get a complete standalone .html file of your 3D world — the engine and your level baked in, works anywhere.
Send your creation to our review queue. We walk through the best ones and add them to the archive.