Learn JavaScript by creating a functional Tetris game, covering graphics, game loops, and collision detection.

In this course, you will get hands-on game development experience with JavaScript. Using the classic game of Tetris, you are going to cover concepts like graphics, game loops, and collision detection. 

By the end of this course, we will have a fully functioning game with points and levels. Try it out with your friends and put it in your portfolio for employers to see.

Game Development with JavaScript: Creating Tetris

## Line clear

The object of Tetris is to last as long as possible before the screen fills up with tetrominoes.

To keep playing, we need to assemble the tetrominoes in rows of blocks that span the entire row, resulting in a *line clear*. A line clear causes the row to disappear and lets the ones above it to settle.

### Types of line clears

A **single** clears one line at a time:

# Line clear

The object of Tetris is to last as long as possible before the screen fills up with tetrominoes.

To keep playing, we need to assemble the tetrominoes in rows of blocks that span the entire row, resulting in a *line clear*. A line clear causes the row to disappear and lets the ones above it to settle.

## Types of line clears

A **single** clears one line at a time:

In this lesson, you will find out how to clear lines in Tetris when the blocks form a full line.

Course Overview

Modern JavaScript

Getting Started With Tetris

Moving Pieces

Game Logic

Gamification

Asynchronous JavaScript

Final Words

Clearing Lines

Line clear

Types of line clears