The docs are well-written, don’t hesitate to read them to understand what a CA, a certificate or a MITM are.įinally, redirect the connection of your computer.īy default, mitmproxy listens on the port 8080. Install mitmproxyĭon’t forget to install the certificates: Be careful to use the patterns of the normal code and not of the formatted code. You can start looking for constants of the game or even try to understand how the game computes some interesting values. We are very lucky because most of the games are not obfuscated or minified. For example, to find the coins data of Everwing, I supposed the data of the gems was near and I started looking for the numeric value of the different gem sizes in the code. If your editor crashes, use a better one like TextMate, Sublime, emacs or vim. Open the code with a robust editor and start looking for relevant names / constants.If it is too slow, download the source using the game url as described later. Be patient because the source if Everwing is really big (more than 8 Mo of text). It is advised to prettify the code before downloading it. Go to the Sources tab of the DevTools and look for the same file.The source should be in the first of the iframe.Locate the iframe of the game (explained here).To make the whole thing smooth, mitmproxy will help us by automating the process. Indeed, we are going to modify the source code of the game. We could try to write a bot, but it would be cumbersome as we would have to perfectly understand the protocol of the game.īut most of the game logic is executed by the browser, so there might be a way. The problem here is that all the content is managed by a central server. Note that the techniques I describe here can be applied to any game written in Javascript,Īs long as the client side is the one that makes decisions. I’ll apply this technique on Everwing, a very popular messenger game. In this article, I am going to make persistant changes in the game. However, in some games, there are some achievements to unlock or money to buy upgrades. it's just a guide.In the previous article, I showed how to modify the score sent to your friends from any game by exploiting the FBInstant API. Now coins aren’t the only currency used in this game, there is another one, which we like to call trophies, and they are rarer, and used to buy the rarer dragons. With these coins you can either buy more dragon sidekicks or upgrade your fairy to deal more damage making it easier to get farther along on your next run. The points you get are calculated based on the amount of coins you’ve gathered in your run. In EverWing, you can challenge powerful Bosses and Monsters to defend the realm of EverWing! Team up with your friends in Boss Raids to destroy the most powerful Bosses for even greater rewards!ĮverWing is simple, just aim and dodge by dragging the fairy from side to side as the game shoots them for you. While playing EverWing, you'll need to select your Guardian and Sidekicks and then head into battle! Each possesses unique powers that combine to help them to fight through an endless horde of monsters! Whether you’re looking for a little single player foray into the land of the fairies, quests to gather some great new loot, or some major massive multiplayer raids against some awesome and zany monsters, EverWing has got what you’re looking for. It can also be frustrating if you don’t know how to play it. You can compete with friends to see who can get the highest score or work together and defeat bosses in raids.ĮverWing is fun, fantastical, and extremely addicting. Everwing is a shoot’em up game where you control a fairy and fight off waves of demons/monsters along side dragon sidekicks.
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