Sandbox Game

A small voxel-style sandbox built with Three.js.

Versions

• 1.0.3 — Added fallbacks for core files
• 1.0.2 — Gave the downloadable game mod support
• 1.0.1 — Bug fix with mobile selecting
• 1.0.0 — Full Release

About the game

Sandbox Game is a lightweight voxel sandbox inspired by classic block-building games, built from scratch in Three.js.

Explore procedural worlds, build, break, and experiment, all in a tiny, fast engine.

Features

• Procedural terrain
  • Noise-based heightmap for grass, dirt, stone layers
  • Randomly generated trees, cacti and occasional houses

• Chunk system
  • Dynamic loading/unloading of chunks based on camera position
  • Frustum and distance culling for performance
  • Safety region to prevent chunks under the player from unloading
  • Chunk rebuilds when blocks are placed or broken

• Player movement
  • WASD controls with gravity and jumping
  • Collision detection using foot/head sample points
  • Smooth camera rotation with pointer lock (desktop)

• Block interaction
  • Raycast-based breaking and placing
  • Range-limited interaction
  • Break/place sounds
  • Saves modified blocks per world seed

• Mobile support (WEB VERSION ONLY)
  • On-screen D-pad for movement
  • Break / Place / Jump / Rotate buttons
  • Touch-drag camera look on right half of screen
  • Separate mobile animation loop optimized for performance
  • Reduced render distance on mobile for stability

• Gamepad support (experimental)
  • Move, look, jump, break/place, cycle hotbar

• Debug tools
  • Toggle with F3
  • Green spheres = foot collision samples
  • Red spheres = head collision samples
  • Blue wireframe boxes = chunk bounds
  • FPS + memory HUD

• Save system
  • Modified blocks (placed/broken) are stored in localStorage
  • Worlds are tied to their seed
  • Save size is lightweight and shown in the UI

• Modding support (DESKTOP VERSION ONLY)
  • Create mods using the manager
  • Enable or Disable mods using the manager

Controls

• W / A / S / D — Move
• Space — Jump
• F3 — Toggle debug overlays
• Mouse — Look around
• Scroll wheel — Cycle inventory
• Right click — Break blocks
• Left click — Place selected block
• E — Open inventory panel

Mobile Controls (WEB VERSION ONLY)

• On-screen D-pad — Move
• Touch-drag (right side) — Look
• Break / Place buttons — Block interaction
• Jump button — Jump
• Rotate buttons — Cycle hotbar

Controller Controls (Experimental)

• Left stick — Move
• Right stick — Look
• A — Jump
• Right bumper — Cycle hotbar right
• Left bumper — Cycle hotbar left
• Right trigger — Break blocks
• Left trigger — Place selected block

Built With

• Three.js — WebGL rendering
• JavaScript, HTML, CSS
• Electron as the launcher

Planned Features

• [x] Add Mobile support
• [x] More mobile UI improvements
• [x] New biomes (more might come)
• [ ] Better weather system
• [ ] Water simulation (not a guarantee)
• [ ] Mob spawning (attempted before, tests show failure)