Span Game APK

SPAN: Bridge Builder An open-source demo of agentic development by umage.ai.** SPAN was designed and built by AI agents (Claude Code) directed by umage.ai, from a written spec to tested releases. See About SPAN. ▶ Play SPAN in your browser Free, no install. Works on desktop, tablet and phone, and can be installed as an app that plays offline. Build a bridge, send the traffic across, and watch real physics decide whether it holds.** SPAN is a physics bridge-construction puzzle game. You build a bridge across a gap from road, wood, steel, rope and cable, stay under budget, then press **Test** to watch cars, buses and 60-tonne haulers drive across. Every member carries tension, compression and bending. If the bridge is too weak it sags, beams snap, and the bus ends up in the river. On the **Iron Road** you build railway viaducts instead, and a badly laid track derails the train. It is plain HTML, CSS and JavaScript: no build step, no frameworks, no runtime dependencies. Open index.html and it runs, even straight from file://. **102 hand-made levels** in three campaigns: Roads (with three hidden bonus chapters), the Iron Road railway campaign and Famous Bridges. **A new crossing every day**, the same for everyone, plus an Endless mode. Every generated level is proven solvable before you see it. **Plays anywhere:** mouse and keyboard, or touch on phones and tablets. Install it as…