Connect 4 Online

  • Connect 4 Online

    Connect 4 Online (WebGL) is a two player board game similar to Tic-Tac-Toe. Each player takes turns dropping a colored disc into a board that has 7 vertical columns and 6 horizontal rows. The goal of the game is to connect four pieces of the same color–vertically, horizontally, or diagonally–before the other player does so. The game ends in a tie if neither player connects four when all the 42 board positions are filled up. The first player begins by dropping his/her yellow disc into the center column of the game board. The two players then alternate turns dropping one of their discs at a time into an unfilled column, until the second player, with red discs, achieves four discs in a row, diagonally, and wins. Much fun in Connect 4 Online! Read More

  • How to Play Connect 4 Online

    Connect four of your checkers in a row while preventing your opponent from doing the same.
  • Connect 4 Online Wiki

    Connect Four (also known as Captain's Mistress, Four Up, Plot Four, Find Four, Four in a Row, Four in a Line, Drop Four, and Gravitrips (in Soviet Union)) is a two-player connection game in which the players first choose a color and then take turns dropping one colored disc from the top into a seven-column, six-row vertically suspended grid. The pieces fall straight down, occupying the lowest available space within the column. The objective of the game is to be the first to form a horizontal, vertical, or diagonal line of four of one's own discs. Connect Four is a solved game. The first player can always win by playing the right moves.

    The game was first sold under the Connect Four trademark by Milton Bradley in February 1974.

    Gameplay

    Object: Connect four of your checkers in a row while preventing your opponent from doing the same. But, look out -- your opponent can sneak up on you and win the game!

    A gameplay example (right), shows the first player starting Connect Four by dropping one of his/her yellow discs into the center column of an empty game board. The two players then alternate turns dropping one of their discs at a time into an unfilled column, until the second player, with red discs, achieves a diagonal four in a row, and wins the game. For games where the board fills up before either player achieves four in a row, then the games are a draw.

    Mathematical solution

    Connect Four is a two-player game with "perfect information". This term describes games where one player at a time plays, players have all the information about moves that have taken place, and all moves that can take place, for a given game state. Connect Four also belongs to the classification of an adversarial, zero-sum game, since a player's advantage is an opponent's disadvantage.

    One measure of complexity of the Connect Four game is the number of possible games board positions. For classic Connect Four played on 6 high, 7 wide grid, there are 4,531,985,219,092 positions for all game boards populated with 0 to 42 pieces.

    The game was first solved by James Dow Allen (October 1, 1988), and independently by Victor Allis (October 16, 1988). Allis describes a knowledge-based approach, with nine strategies, as a solution for Connect Four. Allen also describes winning strategies in his analysis of the game. At the time of the initial solutions for Connect Four, brute-force analysis was not deemed feasible given the game's complexity and the computer technology available at the time.

    Connect Four has since been solved with brute force methods beginning with John Tromp's work in compiling an 8-ply database (February 4, 1995). The artificial intelligence algorithms able to strongly solve Connect Four are minimax or negamax, with optimizations that include alpha-beta pruning, move ordering, and transposition tables. The code for solving Connect Four with these methods is also the basis for the Fhourstones integer performance benchmark.

    The solved conclusion for Connect Four is first player win. With perfect play, the first player can force a win, on or before the 41st move (ply) by starting in the middle column. The game is a theoretical draw when the first player starts in the columns adjacent to the center. For the edges of the game board, column 1 and 2 on left (or column 7 and 6 on right), the exact move-value score for first player start is loss on the 40th move, and loss on the 42nd move, respectively. In other words, by starting with the four outer columns, the first player allows the second player to force a win.

    Rule variations

    There are many variations of Connect Four with differing game board sizes, game pieces, and/or gameplay rules. Many variations are popular with game theory and artificial intelligence research, rather than with physical game boards and gameplay by persons.

    The most commonly used Connect Four board size is 7 columns × 6 rows. Size variations include 5×4, 6×5, 8×7, 9×7, 10×7, 8×8, Infinite Connect-Four,and Cylinder-Infinite Connect-Four.

     

    Several versions of Hasbro's Connect Four physical gameboard make it easy to remove game pieces from the bottom one at a time. Along with traditional gameplay, this feature allows for variations of the game. Some earlier game versions also included specially marked discs, and cardboard column extenders, for additional variations to the game.

    Pop Out

    Pop Out starts the same as traditional gameplay, with an empty board and players alternating turns placing their own colored discs into the board. During each turn, a player can either add another disc from the top or, if one has any discs of his or her own color on the bottom row, remove (or "pop out") a disc of one's own color from the bottom. Popping a disc out from the bottom drops every disc above it down one space, changing their relationship with the rest of the board and changing the possibilities for a connection. The first player to connect four of their discs horizontally, vertically, or diagonally wins the game.

    Pop 10

    Before play begins, Pop 10 is set up differently from the traditional game. Taking turns, each player places one of their own color discs into the slots filling up only the bottom row, then moving on to the next row until it is filled, and so forth until all rows have been filled.

    Gameplay works by players taking turns removing a disc of one's own color through the bottom of the board. If the disc that was removed was part of a four-disc connection at the time of its removal, the player sets it aside out of play and immediately takes another turn. If it was not part of a "connect four", then it must be placed back on the board through a slot at the top into any open space in an alternate column (whenever possible) and the turn ends, switching to the other player. The first player to set aside ten discs of his or her color wins the game.

    5-in-a-Row

    The 5-in-a-Row variation for Connect Four is a game played on a 6 high, 9 wide, grid. Hasbro adds two additional board columns, already filled with player pieces in an alternating pattern, to the left and right sides of their standard 6 by 7 game board. The game plays similarly to the original Connect Four, except players must now get five pieces in a row to win. Notice this is still a 42-ply game since the two new columns added to the game represent twelve game pieces already played, before the start of a game.

    Power Up

    In this variation of Connect Four, players begin a game with one or more specially marked, "Power Checkers" game pieces, which each player may choose to play once per game. When playing a piece marked with an anvil icon, for example, the player may immediately pop out all pieces below it, leaving the anvil piece at the bottom row of the game board. Other marked game pieces include one with a wall icon, allowing a player to play a second consecutive non winning turn with an unmarked piece; a "×2" icon, allowing for an unrestricted second turn with an unmarked piece; and a bomb icon, allowing a player to immediately pop out an opponent's piece.

    Other versions

    Hasbro also produces various sizes of Giant Connect Four, suitable for outdoor use. The largest is built from weather-resistant wood, and measures 120 cm in both width and height. Connect Four was released for the Microvision video game console in 1979, developed by Robert Hoffberg. It was also released for the Texas Instruments 99/4 computer the same year.

    With the proliferation of mobile devices, Connect Four has regained popularity as a game that can be played quickly and against another person over an Internet connection.

    In 2007, Milton Bradley published Connect 4 Stackers. Instead of the usual grid, the game features a board to place colored discs on. Just like standard Connect 4, the object of the game is to try get 4 in a row of a specific color of discs.

    In 2008, another board variation Hasbro published as a physical game is Connect 4x4. This game features a two-layer vertical grid with colored discs for four players, plus blocking discs. The object of the game is also to get 4 in a row for a specific color of discs.

    A SpongeBob SquarePants version of the game was released in 2009 for the show's 10th anniversary. The rules are the same as the normal version, only the chips have the faces of SpongeBob and Patrick on them. It was re-released in 2014, but with Patrick being replaced with Plankton.

    In 2013, Bay Tek Games created a Connect 4 ticket redemption arcade game under license from Hasbro. There are Standard and Deluxe versions of the game. Two players move and drop the checkers using buttons. If only one player is playing, the player plays against the computer. Both the player that wins and the player that loses get tickets. The player that wins gets to play a bonus round where a checker is moving and the player needs to press the button at the right time to get the ticket jackpot.

    In 2015 Winning Moves published Connect 4 Twist & Turn. This game variant features a game tower instead of the flat game grid. The tower has 5 rings that twist independently. Gameplay is similar to standard Connect 4 where players try to get 4 in a row of their own colored discs. However, with Twist & Turn, players have the choice to twist a ring after they have played a piece. It adds a subtle layer of strategy to the gameplay.

    In 2018, Bay Tek Games released their second Connect 4 arcade game, Connect 4 Hoops. Players throw basketballs into basketball hoops, and they show up as checkers on the video screen. The game can be played by 2 players, or by 1 player against the computer. Both the player that wins and the player that loses get tickets.




    A wiki is a collaborative web site that collects and organizes content, created and revised by its users. The most well-known example is Wikipedia. Wikis are a way to grow a knowledge base around a particular content area, They are used to create static Websites, manage online communities, connect businesses with their customers, and even write magazines.

  • Connect 4 Online Walkthrough

    1. Walkthrough overview

    Welcome to the achievement walkthrough for Connect 4 on the Windows Phone! If you liked the classic board game you'll probably enjoy this mobile version with new game modes. The achievements are fairly easy to grab as well. Here's a quick look at what you'll need to accomplish:

    1. Win 1 match in each game mode (4 in total).

    2. Win 10 matches in a row in normal and expert difficulties.

    3. Complete challenge mode.

    4. Grind out 1,000 matches played.

    Without further ado, please proceed to page 2 where an essential technique will be waiting for you.

    2. General hints and tips

    Now, if you've never played Connect 4 before, do not fear! It is a very simple and straight-forward game. The game board is an upright 5x7 grid. Players take turns placing a chip in one of the seven columns, and the chip falls to the last available space in that column. The goal is to match four chips of your color in a row before your opponent, either horizontally, diagonally, or vertically. Those are the classic rules. There are a few more game modes that I will explain below. For the purposes of this guide, I want to label the columns, numbered 1 through 7, as such:

    The super-effective method for winning nearly every game:

    Now for nearly every game you'll want to play on normal difficulty, be the first to place a chip, and place your chips down the columns in this order: 2, 1, 6, 7, 4, 3. Repeat after me. 2-1-6-7-4-3. If you don't get to play first it won't work, so simply back out of the game and win the coin (chip) toss. You need to go first. Placing chips in this order almost always gets you a win. This method works well in all game modes.

    If you're playing on expert difficulty, you will add only one more step: 2, 1, 6, 7, 2 (or 1), 4, 3. The reason we need the extra step here is because the expert AI likes to try to make 4 in a row earlier. It is very apparent and very easy to block.

    Note: this method is harder to accomplish on easy difficulty (odd, right?). Easy AI tends to be more random, so they don't always place chips in the order of his "smarter" AI brothers. So right away, when you start up the game, turn the AI to Normal difficulty. If you run into a tough challenge, you may want to try it on easy, but then switch it back straight away so you can continue to use this method.

    Now let me briefly describe the different game modes:

    Game Modes

    Classic Game: This is exactly as I described above. Players take turns placing their chips in order to match 4 chips in a row of their color.

    Challenge Mode: There are 16 levels that you need to beat. These levels feature the different game modes with special rules. Most are fun and pretty easy. There is one particular one called "Double Trouble" that will likely give you trouble. I'll give you some tips on page 3 of this guide.

    Power Chips: This mode gives some of your chips special powers. You can select one of two chips to drop. You'll be able to drop bombs, blockers, and chips with other effects. This game type is more random than anything, but it can be pretty fun.

    Max Score: The game doesn't end after someone gets a match, the game ends when the timer runs out. A simple tip for winning here is to gain a lead and then run the timer out by taking as much time as you can placing a chip.

    Pop Out: This mode is like classic, but it lets you drop the last row of chips out the bottom. Honestly, I have never had the chips pop out ever. I simply win the game before any popping happens.

    Now, with the winning method on your mind, let's go play some Connect 4 and get some achievements!

    3. Story walkthrough

    Before you do anything, make sure you go in to the game options and select NORMAL difficulty. Now go back to the main menu, select PLAY, SINGLE PLAYER, and play one of each type of game, skipping challenge mode for now. Remember to use the sure-fire method for winning: placing chips in columns 2-1-6-7-4-3. Just make sure you're starting first for each game and you'll win nearly every time placing chips in that order. Start with winning a classic game, power chips, max score and finally pop out.

    Win One of Each Game Mode

    There should be a tutorial for each game as you start it. Make sure to win a game before moving on to another game mode. If you're still a little confused on the rules, go back to the general hints and tips section of the guide for an explanation.

    Starting with classic mode, let's first get an easy achievement out of the way. After you've launched your first game simply shake the phone. You'll unlock this simple achievement:

    Challenge Mode

    In challenge mode, you'll need to beat a total of 16 levels.

    Now continue beating challenge levels. Most are extremely easy and there will only be a handful you might miss beating on the first try. Just remember the ultimate method I showed you where you drop chips into the columns in this order: 2-1-6-7-4-3. This will help out on a bunch of challenges. Others you'll have to use just a tad more skill or luck. Don't be afraid to change the difficulty to easy if you stuck. It may help. There's one particular game mode called "Double Trouble" that will likely give you trouble (though I think it is more than twice the difficulty of the other challenges). This is the top challenge of the second row. To win this challenge you need to beat your opponent by connecting not one, but two lines of chips. This one took me multiple tries, but my best advice is to try connecting two lines in a pyramid shape like this:

    The last chip you want to place will be the very top of the pyramid. You may want to switch the difficulty to EASY for this challenge. You'll likely need to fill out the left two and right two columns in order to force your AI opponent to place a chip where they do not want to. As you build up your pyramid and the two sides watch out for your opponent trying to connect 4 chips (even an EASY opponent can be pretty sneaky and tricky on this challenge). If your pyramid becomes ruined just try setting up another double connection somewhere. The nice thing is, when you finally finish this tough challenge, you are rewarded with an achievement if you don't have it already:

    Grinding Mode

    All that's left now is a grind session. For this last leg keep the difficulty on NORMAL. The best method for accumulating wins is in Challenge mode playing the PUZZLE challenge. This game takes less than 3 seconds to complete. There's only 1 of three possible puzzles that will randomly appear, and all you have to do is place the final chip in either the 1st, 4th, or 5th column to complete a 'Connect 4'. This challenge will count for a win/game played, but it won't pop any related achievement until you play a non-challenge game mode. So just play a bunch of PUZZLE games, back out, play another mode, and pop your achievements there.

    NOTE: This method may not work on all handsets. It seems that older devices cannot handle accumulating multiple wins in a row from this challenge grinding method. My HTC HD7 (WP7) would crash after a couple games. Even my Nokia Lumia 925 (WP8) would get laggy after about 50 games. If your phone can handle it, I'd recommend backing out and playing a non-challenge game every 50 games or so. This will register your games played. Then maybe restart Connect 4 to avoid any crashes. If your phone simply cannot do more than one or two PUZZLE challenges in a row you may just need to win legitimate games using the 2-1-6-7-4-3 method. It won't take too much longer to get the rest of the achievements. Not that it makes a difference, but you need to play 1000 games total, of which only 50 need to be wins, but you'll likely be getting close to 1000 wins anyways.


    A game walkthrough is a guide aimed towards improving a players skill within a particular game and often designed to assist players in completing either an entire game or specific elements. Walkthroughs may alternatively be set up as a playthrough, where players record themselves playing through a game and upload or live-stream it to the internet. Walkthroughs may be considered guides on helping to enhance the experience of players, to assist towards unlocking game achievements or simply as a means to socialise with like-minded individuals as a distraction from everyday life. Walkthroughs originated as text-based descriptive instructions in magazines for playing through a video game.

  • Connect 4 Online Cheats

    How to win at Connect Four

    Play in the Center Column as Often as Possible

    On the standard 7-column board, any connect-four that is not vertical MUST use one checker from the center column. This means that if you control most of the central column, it will be very difficult for your opponent to get a connect-four.Look a Few Moves Ahead

    If your opponent can create three in a row with an open, playable space on either side, then you will probably lose.

    Prevent this ahead of time by paying attention as soon as your opponent gets two checkers in a row. Trying to anticipate ways your opponent could win will help you defend against it. Watch out for Game-Ending Spaces

    It will sometimes happen that a certain space on the board would give a connect-four to either you or your opponent, depending on who plays there.

    If this occurs, then as soon as that space is filled, the game will be over. Because of this, you can safely ignore all spaces above the game-ending space in the same column -- as well as any potential connect-fours that rely on the spaces you are ignoring.Never Play Directly Below the Game-Ending Space

    This will allow your opponent to play into the space and claim victory. Conversely, you should attempt to force your opponent to play just below the game-ending space, perhaps by setting up a connect-four that forces your opponent to block in the critical space.Fork Your Threats Whenever Possible

    The ideal position is to have two potential connect-fours that need a final checker on two spaces that are on top of each other. This will usually lead to a victory because you can threaten in the first space. If the opponent fails to block, you win. If the opponent blocks, you play on top to win in the next space. A simple way to set this up is to make a "7" with your checkers, such that finishing the horizontal or diagonal connect-four on the right will be two spaces on top of each other.



    Connect 4 Online Hacks

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