TankWar Online, my JavaScript based cannons game

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Back in late 2006 I wrote my most ambitious JavaScript/game project so far: TankWar Online, which as you may guess from the name was about tanks, shooting stuff, and it had a real-time online game mode – as far as I know, the first such ever in a JS based game. Originally the game was made for an older version …

I wrote a Sim City clone in JavaScript

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This is why I haven’t been updating lately: I have been working on a Sim City clone, written purely in HTML, CSS and JavaScript! The game is called WidgetCity, and I’m participating with it in the Betavine Widget Competition 2009. The game was designed to run in Opera Widgets mode, but it also works in Firefox – only downside is …

GroupFight: My old PHP-based game

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First an announcement: During 2008, CodeUtopia had about 120 000 visitors! I think that’s amazing, and I want to thank everyone who has been reading the blog. I’m going to try and keep posting interesting things for you to read this year too. :D Now, to the post: Back in 2003 I wrote a game called GroupFight. The idea started …

Programming language guessing game

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Some of you asked me about the “quiz” thing that showed up in one of the screenshots in my NetBeans review… Well, here it is: During that weekend when I was trying out NetBeans, I wrote a small Zend Framework + Doctrine application which attempts to guess a programming language the user is thinking of, based on a set of …

Generating Sudoku puzzles using JavaScript

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While I’m not the biggest fan of Sudoku puzzles, I wanted to make a sudoku widget for the Opera x-widgets challenge. This required me to study the algorithms used for generating sudokus, which was actually a quite interesting challenge. While there are some examples of generating sudokus online, such as this interesting approach, it seems there’s only one “true” way: …