Enlarge / These little numbers helped launch a gaming revolution at corporate-focused Microsoft of the early ’90s.

The early Home windows model of Minesweeper turned an on the spot hit on Microsoft’s inside community when it launched in 1990, in keeping with individuals who labored there on the time.
“We by no means needed to work very arduous to seek out testers,” mentioned Libby Duzan Nuttall, who served as Microsoft’s lead product supervisor for leisure within the ’90s. “It was a type of issues the place you’d stroll down the corridor and also you’d see it… on individuals’s computer systems. At the moment at Microsoft, individuals had been staying late into the evening, so that you’d see individuals taking breaks, 9 o’clock at evening, taking part in a spherical of Minesweeper.”
“It was, evidently, a really well-tested piece of software program round Microsoft,” added Charles Fitzgerald, a product supervisor for the primary Home windows Leisure Pack, the place Minesweeper would make its public debut. However these “testers” weren’t strictly wanted to refine the product, as [Minesweeper coder Robert] Donner recalled. “Each time somebody claimed to have discovered a bug, I requested them to ship me a screenshot after which I needed to level out their logic mistake.”
This was apparently a comparatively frequent drawback. Leisure Pack Product Supervisor Bruce Ryan recalled getting an e-mail from advertising colleague Mike Slade, who insisted the sport’s Professional degree was unimaginable and ought to be pulled. “I used to be like, ‘It isn’t unimaginable,’” Ryan advised me. “He was like, ‘I attempted it 20 instances, it’s unimaginable.’” Ryan mentioned he finally needed to go to Slade’s workplace and spend 10 minutes finishing an Professional board earlier than the marketer was satisfied.
“Each time somebody claimed to have discovered a bug, I requested them to ship me a screenshot after which I needed to level out their logic mistake.”
Minesweeper coder Robert Donner
Even in an workplace stuffed with logic-minded pc engineers, although, Minesweeper didn’t attraction to all people at Microsoft. Of the numerous beginner Home windows video games circulating across the inside community on the time, “Minesweeper was probably the most polarizing,” Ryan mentioned. “Microsoft persons are pretty analytical, so that they just like the analytical and logical facet of Minesweeper. However there have been lots of people who would take a look at it and go, ‘I don’t get this.’ There can be lots of people who would click on randomly, hit a mine and [stop]. They thought it was a guessing recreation.”
Hooking Invoice
Whereas Minesweeper love at Microsoft wasn’t common, the sport managed to get its hooks into an important backer a Microsoft recreation might have.
“Invoice acquired addicted,” as Fitzgerald put it bluntly.
That’s Invoice Gates, after all, the billionaire Microsoft founder and CEO (although he was not but “the richest man on this planet” in 1990). Regardless of having cash to spend on way more elaborate entertainments, in 1990, Gates discovered himself obsessive about dominating [Minesweeper coder Curt] Johnson and Donner’s easy Home windows gaming experiment.

“Initially, I believe I acquired a mail from Invoice saying, ‘I simply solved [Beginner] Minesweeper in 10 seconds. Is that good?’” Ryan recalled. “I wrote again to him, I’m going, ‘Yeah, 10 seconds is actually good. The file for us proper now I believe is eight.’ (I believe that was me, embarrassingly.) Apparently, the truth that the file was very near the place he was led him to make [it] his mission [to beat it].”
Ryan mentioned Gates’ Minesweeper habit acquired so unhealthy that he “took it off his machine.” However that wasn’t sufficient to cease the CEO from getting his repair. “As a result of the excessive scores had been [an easy-to-edit] textual content file, we had a rule that any individual needed to put eyes in your [record] rating,” Fitzgerald mentioned. “So… it was one Sunday afternoon, and we get e-mail from Invoice saying, ‘Hey, I believe I simply acquired a brand new excessive rating. It’s on the machine in [short-lived Microsoft President] Mike Hallman’s workplace.’ And [we were] like, ‘What?’”
Ryan recalled the surreal expertise of being known as in by Invoice Gates on a random weekend solely to cluster round one other govt’s pc and make sure a brand new Minesweeper excessive rating of 5 seconds on a Newbie board. “This was early night. So we went over there, seven at evening. [Hallman] was a former Boeing govt, and he was not a humorful man, so… the concept Invoice is sitting there after work, going into the president’s workplace so he might play Minesweeper, it was simply bizarre imagery.”
“That was after I realized how a lot precious time a recreation might waste,” Donner mentioned of listening to about Gates’ multi-office file chase.