Dev.Mag talks to Guy Lima, one of the founders of Ragtime Games, on how he and his team designed the puzzles for Continuity, the sliding-tile platform puzzler.

As part of our series of interviews on puzzle game design, we asked Rob Jagnow about his approach. Jagnow is the founder of Lazy 8 Studios, and the designer behind Cogs, the steampunk-themed sliding-tile puzzle game.

This article gives some background information on puzzle games, and sets the stage for a set of interviews on puzzle game design.

A Bézier curve is a type of curve that is easy to use, and can describe many shapes. This guide gives instructions for implementing algorithms for using Bézier curves in your games.

In this second part of analyzing Desktop Dungeons, we look at how choices are given meaning not only through their complexity, but also through the role they play in structuring an experience.

This article gives a brief tutorial to XNA, a set of game development tools from Microsoft. The tutorial covers the basics of drawing a sprite, playing sound, and handling input.

This is the first part of an in-depth look at the design of Desktop Dungeons, the South African game that won the Excellence for Design Award at the IGF. In this part, we look at the player actions, choices, and tension.

Quadtrees are 2D data structures, useful for efficient representation of 2D data (such as images), and lookup in a 2D space. This is a simple implementation tutorial.

Two Dev.Mag writers share their board game design experiences: conception, design, production, playtesting.

This article shows how to implement a simple graphical logging system to find errors in physics, AI and animation faster.

In this article, the Dave Russell introduces the basic concepts of diegesis theory in video game interface design.

South African game developers share what skills they think are important for budding game developers.

Text files can be messy when logging events from games. In this article, Herman Tulleken shows you how to use HTML, CSS and JavaScript to build visually informative logs that make debugging easier.

This article gives handy tips for designing and building a platformer. There are tips for designing the interface, handling jumping and collision boundaries of goodies and baddies, implementing AI, and other ways to make a fun game.

Two things are key to becoming a great game designer: making games, and playing games. In this article, Rodain Joubert extracts and explains three game design lessons from playing Dungeon Crawl that revolves around difficulty, providing meaningful decisions, and removing tedium from the game interface.

To prototype and get early feedback is great for getting rid of bugs, get ideas, test the fun factor, and keep yourself motivated. Use these tips get more players to play your game when it is not finished.