Online 2048 games are digital versions of the popular sliding tile puzzle game 2048. In this game, players slide numbered tiles on a grid to combine like-numbered tiles (such as 2, 4, 8, 16, etc.) until they reach the tile numbered 2048. It’s a game of strategy, planning, and logical thinking.

The game starts with a 4x4 grid where two tiles, typically with the number "2" or "4", are randomly placed. Every time a move is made, a new tile will appear on the board, and the goal is to combine tiles with the same number by sliding them into each other. For example, two "2" tiles combine to form a "4", two "4" tiles combine to form an "8", and so on.

When you successfully combine enough tiles to reach 2048, you win the game, but the challenge is to continue playing to get a higher score or to go beyond 2048, as the game is often endless.