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Color Squares by KHS shows 16*14 squares of 12 different colors (plus black). On each frame, two adjacent squares are swapped. Assembler source code is available.

White Butterfly by Linley Henzell is a vertical shoot ’em up with 3 stages. There are four playable ships (plus one unlockable one) – each ship has three different attacks. When all three have reached a new level, they all power up at once – this means that you will need to balance your use of them. Ported to Pandora … Read more

Clock by KHS is a digital seven-segment 24-hour clock. Set the time with arrows, toggle between NTSC and PAL with A button, toggle the visibility of unlit segments with B, and press start to start the clock. The clock should be more accurate than exactly 50 (PAL) or 60 (NTSC) frames per second.

24 Balls by KHS shows 24 16*16-pixel balls that bounce off walls. The balls don’t flicker because there’s never more than four of them (eight sprites) per scanline. (That’s because there are no more than two balls per scanline at the beginning and all balls have the same vertical velocity.) The color palette changes every 8th frame.

Gradient Demo by KHS is a technical demo written in Assembler. It shows rapidly moving colors and text that moves in a circle (using a sine look-up table).

KHS-NES-Brainfuck by KHS is an Interpreter for Brainfuck, an esoteric programming language. Assembler source-code is available.

KHS-NES-Paint by KHS is a simple drawing application for NES. It’s completley coded in assembler.

ViLE (VIsual Library Engine) is a portable, very flexible, high performance C++ game engine designed for visual novels. It is kind of a media player that is capable of decoding and assembling a variety of audio,video and images into games. Adventure game fans will recognize the concept from projects such as ScummVM, FreeSCI and Sarien among many others. Ported to … Read more

Yamagi Quake II is an enhanced client for id Software’s Quake II. The main focus is an unchanged single player experience like back in 1997, thus the gameplay and the graphics are unaltered. Over 1000 bugs were fixed and an extensive code audit done, making Yamagi Quake II one of the most solid Quake II implementations available. Ported to Pandora … Read more

GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware’s Infinity Engine. It was written to support pseudo-3D role playing games based on the Dungeons & Dragons ruleset (Baldur’s Gate and Icewind Dale series, Planescape: Torment). It should run on GNU/Linux, Microsoft Windows, OS X, possibly other UNIX derivatives and more. It is licensed under the … Read more