Portdusk, Inc.

A complete, interactive Periodic Table of the Elements! Optimized for phone screens but great on tablets, this is a handy utility for all chemists and …

Fully-featured, ad-supported version. Now with metric!Like a night out drinking? Help do it more safely with BACalc, a tool for keeping track of your …

Now with metric!Like a night out drinking? Help do it more safely with BACalc, a tool for keeping track of your alcohol consumption and its affect on …

Play TetraVexed v2, the second major release of our challenging tile-based puzzle game. Arrange all the tiles so that color/number matches adjacent ti …

Play blackjack for fun on your phone, with this fast and feature-rich version. Includes support for all actions (including splits and surrenders) and …

Our take on the classic game Memory. Each level adds more tiles, and you must carefully overturn them all before your moves run out. Level 1 might be …

A fast, fun game where you double-tap clusters of 2 or more same-colored blocks to make them disappear. The bigger clusters you get, the more points y …

Our take on the classic game Memory. Each level adds more tiles, and you must carefully overturn them all before your moves run out. Level 1 might be …

Inspired by the classic game Minesweeper, the game challenges you to clear a bomb-laden field strategically using numbers that represent the number of …

A toolkit to help use your phone for gaming. Includes a limitlessly customizable set of dice, a virtual scorekeeping pad, and a "chest" of super-casua …