Block Stacker - Classic Tetra Puzzle

About

Block Stacker is a fast, high-performance falling-block puzzle game you can launch instantly from your browser toolbar. Designed for quick sessions and deep high-score runs, it delivers a smooth, distraction-free experience with zero tabs required.


Five Unique Ways to Play
• Standard Mode: A progressive challenge where the pace gradually increases the longer you survive.
• Endless Mode: A fixed-speed environment ideal for practice, experimentation, or relaxed play.
• Sand Mode: Placed blocks transform into shifting sand particles, creating a more dynamic and unpredictable experience.
• Infected Mode: Face a spreading corruption that expands across the playfield. Clear infected areas before they take over.
• Gravity Mode: Experience shifting physics where the playfield direction changes after each placement.


Advanced Features & Customization
• Instant Popup Play: Click the extension icon and start immediately. No loading screens and no extra tabs.
• Stats: Track your performance with statistics including survival time, plays, and personal bests.
• Themes: Fully customize the visual experience by creating your own themes or switching between different appearances to match your preference.
• Precision Controls: Fully remap all keybinds for fast and responsive gameplay tailored to your preferences.
• Play Anywhere: Full offline support and automatic save functionality ensure your progress is always preserved.


Why Block Stacker?

With support for 35 languages and a focus on clean, modern design, Block Stacker is a complete puzzle experience built for both quick sessions and long runs.

Stack smarter, adapt faster, and push your personal best.