If you’ve played the original Bridge Constructor (or the later Portal crossover), this is the "sandbox lite" version. The core loop is simple: Given a gap, a budget, and a list of materials (wood, steel, cables), you build a bridge. Then you send a car and a truck over it to see if they fall into the ravine. Rinse and repeat.
The Sandbox Bridge Builder That Won’t Break Your Budget (or Your Patience) Bridge Constructor Playground -GOG-
GOG (No DRM) Genre: Simulation / Puzzle / Physics Verdict: A relaxing, physics-based puzzle game that trades the original’s harsh time limits for creative freedom. If you’ve played the original Bridge Constructor (or
Casual builders, kids, and anyone who just wants to watch a truck fall into a cartoon river without swearing at their monitor. Tip for GOG users: This game plays great on a Steam Deck (via Heroic or Lutris) and even on a Windows tablet with a stylus. Rinse and repeat