Saper Popup Pro от Xomek

Classic Minesweeper available on any webpage as a draggable floating window.

Features:
- 3 difficulty levels: Easy (10×10), Medium (20×20), Hard (40×40)
- Draggable, minimizable popup — remembers position between sessions
- Zoom in/out with buttons or Ctrl+Scroll
- Auto-saves game progress — resume where you left off
- Personal best tracking with top 10 times per difficulty
- Click on a number to chord-reveal neighbors when flags match