Quick summary
A top-down take on Dust2: a raycasting shooter where you read the iconic map from above and trade fire in fast rounds. Lightweight, instant, and endlessly re-playable in any browser.
Who this template is for
This build takes a map everybody already knows and changes the camera. It is for people who want a fast game and a compact rendering lesson at the same time.
- Developers who want to see raycasting — the classic technique behind early first-person games — applied to a top-down view
- Studios needing a lightweight playable that loads instantly on any machine and any connection
- Anyone building tactical or top-down games who wants a working sightline model to study
What problem this template solves
Most “browser game” offerings are either heavy engine exports or toy demos that fall apart the moment you look under the hood. This build is neither.
- Engine exports ship megabytes of runtime before the first frame ever draws
- Toy demos skip the hard parts — real collision, game states, difficulty curves and persistence
- Builders who want to learn from a finished game almost never get to see the instructions that produced it
What you get with this template
You get a fast top-down shooter that renders the iconic Dust2 layout and its sightlines in real time on the canvas.
- Overhead play on a recognisable competitive map, so orientation is instant for anyone who has played it
- A raycasting engine computing visibility and sightlines every frame rather than faking them
- Short, repeatable rounds designed for quick sessions rather than long commitment
Page sections overview
| Section | Purpose |
|---|---|
| Raycast Sightline Engine | Compute what is visible from the player position every frame |
| Overhead Dust2 Layout | Present the recognisable map from above so orientation is immediate |
| Fast Round Structure | Keep rounds short so sessions stay quick and repeatable |
| Lightweight Canvas Rendering | Keep the whole build tiny so it starts instantly anywhere |
| WASD and Mouse Control | Use the movement and aiming model players already have |
Design & branding system
The look is a tactical readout: a sand-toned map surface, high-contrast player and sightline marks, and no ornament competing with the geometry.
- A sand-and-shadow map palette with player and threat marks pushed to maximum contrast against it
- Sightlines drawn as the primary visual element, because visibility is the actual subject of the game
- A minimal interface that stays at the edges, leaving the map itself completely unobstructed
Mobile & speed optimization
The game targets desktop first — keyboard and mouse are the primary controls — while staying light enough to load instantly anywhere.
- No engine runtime and no asset downloads, so the whole game arrives in a handful of requests
- A capped frame delta keeps the simulation stable even when the browser tab stutters or loses focus
- The page stays lean: no frameworks, no trackers, nothing between the visitor and the game loop
How this template helps you convert
A playable game holds attention longer than any showreel. The page around it is structured to turn that attention into a next step.
- Visitors play immediately — no signup, download or install stands between them and the first round
- The finished build is fully inspectable, which turns curious players into builders who want the prompt behind it
- The one-time prompt unlock offers a concrete, low-friction next step while the session is still hot
Other information about this template
A few notes before you adapt this build.
- It is a tribute build for demonstration purposes and is not affiliated with the original rights holders
- Keyboard and mouse are required, so it targets desktop rather than touch
- The map is data the renderer reads, so swapping in your own layout does not require engine changes
- It is the lightest game in the library and the fastest to load on constrained connections
How it works
A raycasting engine renders the map and sightlines in real time on the canvas — a classic technique that keeps the game fast and tiny while still feeling like a shooter.
Screenshots
Captured from the live build — the title screen and real play, level by level.
