Block Stack

Block Stack                                                                      

                                                                                   

  A classic Tetris-style puzzle game where players stack falling blocks to complete

   horizontal lines and score points, featuring smooth animations and increasing

  difficulty across 10 levels.                                                     

  Features

  - Classic 10×20 grid with all 7 standard Tetris pieces (I, O, T, S, Z, J, L)

  - 7-bag randomizer ensuring balanced piece distribution

  - Hold piece system and next piece preview

  - Ghost piece showing landing position

  - Combo system with multiplied scores for consecutive line clears

  - 10 difficulty levels with speeds ranging from 1000ms to 150ms drop intervals

  - Dynamic background theme that shifts color palette every 2 levels

  - Visual effects: screen shake, particle explosions, landing bounce, line clear

  flash

  How to Play

  1. Blocks fall from the top of the screen — guide them into position

  2. Complete a full horizontal row to clear it and earn points

  3. Clear multiple lines at once for bonus points (4 lines = "TETRIS!" for 800 ×

  level)

  4. Consecutive clears build combos for extra score multipliers

  5. Every 10 lines cleared advances you to the next level (faster drops)

  6. Use the Hold feature to save a piece for later

  7. Game ends when blocks stack above the top of the board

  Controls

  - Arrow Left/Right: Move piece

  - Arrow Up: Rotate clockwise

  - Arrow Down: Soft drop (+1 point per cell)

  - Spacebar: Hard drop (+2 points per cell)

  - C / Shift: Hold piece

  - P / Escape: Pause

  - Touch: Swipe to move/rotate, tap to hard drop