Puzzle Verified MIT • Instant Play

Silhouette Tangram Artisan

Ancient geometric dissection puzzle. Manipulate triangles, squares, and rhomboids without overlapping to form complex figurative silhouettes.

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Genre: Puzzle License: MIT Performance: Instant WebGL/HTML5
Difficulty Gentle early learning curve, steep spatial reasoning demands in later stages
Average Session 3 to 8 minutes per session
Compatible Devices Desktop, Mobile, Tablet
License & Provenance MIT ↗

Editorial Overview & Provenance

Silhouette Tangram Artisan revives the ancient Chinese dissection puzzle with modern browser accessibility. Players manipulate seven geometric tans—triangles, squares, and rhomboids—to form intricate silhouettes without overlaps. Rooted in 18th-century mathematical recreation, this digital adaptation preserves the tactile satisfaction of physical tangrams while offering instant playability. The game challenges spatial reasoning through increasingly complex target shapes, blending historical puzzle design with crisp HTML5 visuals. No downloads required—just pure geometric problem-solving at your fingertips.

Core Gameplay & Mechanics

Each level presents a target silhouette to reconstruct using all seven tans. Pieces snap to a grid when close to correct positions, but precise rotation (1-degree increments) is key for advanced shapes. Time bonuses decay linearly, encouraging efficient solutions. Failure occurs only through time expiration—pieces can be rearranged infinitely. Early levels teach fundamental configurations (parallelograms, trapezoids), while expert stages require counterintuitive negative space usage. A 'hint' system highlights possible starting positions after 90 seconds of inactivity, preserving flow.

Exact Control Mapping & Input Guide

  • Primary: Left-click drag to move, right-click drag to rotate, scroll wheel for fine rotation
  • Secondary / Quick-Reset: R resets current piece, Shift+R restarts level
  • Mobile Touch: One-finger drag to move, two-finger twist to rotate, double-tap to reset piece

Strategy, Pacing & High-Score Heuristics

  • Start with the largest tan (the triangle)—its hypotenuse often aligns with major silhouette edges.
  • Use the parallelogram as a 'key'—its 45-degree angles frequently solve tight corners in animal shapes.
  • When stuck, work backward: remove one piece and see if the remaining six form a recognizable sub-shape.
  • Flip your perspective—some silhouettes are easier to solve when mentally rotated 90 degrees.

Technical Specifications & Architecture

Game EngineHTML5 Canvas & Web Audio API
Target ResolutionResponsive Dynamic Viewport
Input ModesKeyboard, Precision Mouse, Multi-Touch
Refresh RateLocked 60 FPS V-Sync
Payload Size< 1.2 MB Total Footprint

Frequently Asked Questions

Why won't the game accept my seemingly perfect fit?
Check for microscopic gaps—tans must share full edges. Zoom in and nudge pieces pixel-by-pixel.
How does scoring work for multiple solutions?
Faster completions earn bonus points, but all valid configurations receive full base marks.
Any tricks for the abstract silhouette levels?
Cover the target with your hand—focusing on negative space often reveals hidden geometric relationships.

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