UPTIME was a group of disk magazine

Disk magazine

A disk magazine, colloquially known as a diskmag, is a magazine that is distributed in electronic form to be read using computers. These had some popularity in the 1980s and 1990s as periodicals distributed on floppy disk, hence their name...

s for a variety of personal computing platforms that were published in the 1980s. Bill Kelly started UPTIME in his father's basement in 1984. Versions were issued for the Apple II

Apple II

The Apple II is an 8-bit home computer, one of the first highly successful mass-produced microcomputer products, designed primarily by Steve Wozniak, manufactured by Apple Computer and introduced in 1977...

, Macintosh

Macintosh

The Macintosh , or Mac, is a series of several lines of personal computers designed, developed, and marketed by Apple Inc. The first Macintosh was introduced by Apple's then-chairman Steve Jobs on January 24, 1984; it was the first commercially successful personal computer to feature a mouse and a...

, IBM PC

IBM PC

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It is IBM model number 5150, and was introduced on August 12, 1981...

, Commodore 64

Commodore 64

The Commodore 64 is an 8-bit home computer introduced by Commodore International in January 1982.Volume production started in the spring of 1982, with machines being released on to the market in August at a price of US$595...

 and Commodore Amiga systems. Among the software that was published there were some of the earliest games created by John Romero

John Romero

Alfonso John Romero is a game designer, programmer, and developer in the video game industry. He is best known as a co-founder of id Software and was a designer for many of their games, including Wolfenstein 3D, Dangerous Dave, Doom and Quake...

.