Make the glass happy by drawing lines with your pencil that will allow the water to flow into the glass and fill it up. As you progress the lines that you will need to draw become a little more difficult. Happy Glass is one of our many Puzzle Games that we publish on TheGamerStop.com. This game is also tagged as a Drawing game. Click the play button to start having fun. To play even more free games, view our popular and new games page. If you want to play more games like this, then you can simply check out the games inside the game tags that are the most relevant to your interests or the Puzzle Games category or the games like this game page at the end of the game tags.