community started the OldUnreal Community patch project based on the original source code in 2008. The latest patch iteration, 2.27i, released in November 2012, features new graphics rendering like DirectX 9, updated OpenGL, new sound rendering based on OpenAL and fixes many incompatibilities with modern operating systems and hardware. Mac OS The Mac version was released in parallel with the PC version. It supported RAVE hardware acceleration as well as 3DFX's Voodoo, built-in software rendering and, later on, OpenGL rendering. RAVE acceleration support allowed the game to support hardware 3D acceleration with just about every Mac that included it. It also supported Apple's Game Sprockets. The last update for the Mac OS port was version 224b, which breaks network compatibility between it and the PC version, as well as lacking support for some user-created content made for 225 and 226f. Westlake Interactive, the company responsible for the port, claimed that previous patches were produced voluntarily in their free time, beyond their contractual obligations. They also stated that they did not receive the code for the 225 patch and that it had become unavailable due to Epic moving on to develop version 226. Linux An unofficial content port of the single-player maps to Linux was created by several users of icculus.org, which allowed the Unreal single-player game content to be run as a modification for Unreal Tournament. The online retailer Tux Games at one point sold a box set including the Linux version. The 227 community patch contains a full Linux port for Unreal. Books Two novels titled Hard Crash and Prophet's Power were published, expanding on the premise and story first introduced in Unreal. Prophet's Power, numbered as the second book in the series, is actually a prequel to the first, Hard Crash; thus it is harder for readers to understand what happened in the story. A book called Escape to Na Pali: A Journey to the Unreal was published on June 23, 2014. It is an adventure to the world of Unreal, written by Kaitlin Tremblay and Alan Williamson. Reception Sales In the United States, Unreal debuted in third place on PC Data's computer game sales chart for the week ending May 23, 1998, at an average retail price (ARP) of $50. It climbed to first place the following week, while its ARP dropped to $40. Finishing May as the country's second-highest computer game seller of the month, behind