The welcome screen has two buttons at the top and one at the bottom. If you have played the game before, then your level completion progress, unlocked decks and gem total will be stored and you can pick up where you left off. If this is your first time playing, the game will start at the first level and show you instructions.

Game FeaturesĬlick on the green play button on the game's welcome screen to start. You can reset these in the settings menu with a gear on it in the upper left corner. Your web browser saves your level progress and gem storage. If this is your first play the first level will also act as a tutorial. Once your game has ended you can submit your high score.Play Zero 21 Online for Free Starting Your GameĬlick the green play button in the bottom center of the screen. If you lose on a level you can try it again. If you have time remaining each second remaining is worth a bonus point. If you must bust, try to bust only 1 row or column at a time & try to make the bust go way over 21 so you clear a lot of value from the board to give yourself more options on future plays.Įach round ends when you reach the level goal for matched lines or when you run out of time. If you can lay a card down which gives you 21 in a row and a column at the exact same time you score bonus points. Try to place face cards or tens in such a way that the values are staggered and you still have at least one row and column which can accept any card without busting. If laying down a card creates a match in one direction and a bust in the other direction the match is counted and the card is removed without it counting as a bust in the opposite direction. Your goal status can go negative meaning if it shows -1 out of 5 you have to make 6 row matches to get to 5. go over 21) the row or column is also emptied, but you then have to create an additional match to reach your level goal. Anytime a row or column adds up to 21 that row or column is emptied. The game contains a 4 by 4 grid and you lay cards onto it one card at a time. The first level requires 5 matches to beat & the fifth level you have to make 9 matches. On each level you have to make one additional match. This is a timed 5-level game where you have to create a set number of 21 matches on each level to move on to the next one.Įach level lasts 3 minutes.

Play 21 free online card game