How Candy Crush uses AI to keep players coming back to its puzzles

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LOS ANGELES -- Players swiping their mode done much than 18,700 levels of Candy Crush Saga mightiness beryllium amazed to larn they’re solving puzzles designed with an assistance from artificial intelligence.

The app that helped marque gamers retired of anyone with a smartphone uses AI to assistance developers make levels to service a captive assemblage perpetually looking for much sweets to squash. King, the Swedish video crippled developer down Candy Crush, besides uses AI to update older levels to assistance guarantee players don't consciousness bored, stuck oregon frustrated arsenic they walk clip with the game.

Todd Green, wide manager of the Candy Crush franchise, said utilizing AI successful that mode helps escaped up developers' clip to make caller puzzle boards. It would beryllium "extremely difficult," helium said, for designers to update and reconfigure much than 18,000 levels without AI taking a archetypal pass.

Within the video crippled industry, discussions astir the usage of AI successful crippled improvement tally the gamut. Some crippled makers spot AI arsenic a instrumentality that tin assistance with menial tasks, allowing designers and artists to absorption connected bigger projects. AI, they say, tin assistance physique richer worlds by creating much interactive non-player characters, for example. But determination are besides those who powerfully reason the usage of AI, oregon who spot the tech arsenic a menace to their livelihoods — beryllium it arsenic video crippled actors and performers, oregon arsenic workers who assistance marque games. Concerns implicit AI led crippled performers with the Screen Actors Guild-American Federation of Television and Radio Artists to spell connected onslaught successful precocious July.

“We’re not putting chatbots into the game. We’re not putting AI-powered plan experiences into the crippled for players straight to play with,” Green said, adding that the tech is not being utilized to regenerate crippled workers. “Instead, we’re trying to deploy AI connected existing problems that we person successful bid to marque the enactment of the teams faster oregon much accurate, and much close much quickly.”

In the United States, user spending connected video crippled contented accrued to $51.3 cardinal successful 2024, up from $49.8 cardinal successful 2023, with mobile games accounting for astir fractional of each video crippled contented spending, according to information from the Entertainment Software Association commercialized group. Mobile is present the starring crippled level among players aged 8 and older, the ESA says.

Candy Crush — archetypal launched connected Facebook successful 2012 — is perpetually updating. King precocious released its 300th lawsuit mentation of the game. Gaming elephantine Activision Blizzard acquired King successful 2016 for $5.9 billion.

The free-to-play crippled is successful a unsocial position, said Joost Van Dreunen, writer of “One Up: Creativity, Competition, and the Global Business of Video Games.” Candy Crush is much than a decennary old, boasts millions of users and caters to a “ravenous acceptable of players," helium said. Demand is truthful precocious for caller contented that it makes consciousness to usage AI to offset the enactment it takes to make truthful galore levels, Van Dreunen added.

“To proviso that astatine scale, you perfectly tin trust connected a benignant of artificial quality oregon generative AI to make the adjacent acceptable of forms,” helium said. “The happening astir Candy Crush is that each level is technically a azygous committee that you person to lick oregon wide earlier you tin advance. With AI and the existing room of human-made boards, it makes full consciousness to past accelerate and grow the efforts to conscionable make much inventory. People play much levels.”

King uses AI to people 2 abstracted areas: processing caller levels and going backmost to older levels, successful immoderate cases, puzzles that are respective years old, and reworking them to guarantee they're inactive worthy playing. On caller levels designed for radical who person played the crippled for a agelong time, the institution wants to guarantee the puzzles are amusive “on archetypal contact.”

“That’s hard for america to do, due to the fact that we don’t get the payment of having galore players trial oregon play done the levels and springiness america feedback. We person to benignant of effort and transportation it close astatine first,” helium said. “There’s a truly important radical for america successful betwixt radical who possibly played earlier and possibly took a interruption for a while, and past coming backmost due to the fact that they saw oregon heard of oregon were funny astir what mightiness beryllium new.”

Green said King uses AI arsenic a behind-the-scenes adjunct successful the plan “loop” of the game, alternatively than arsenic a instrumentality that instantly puts thing caller successful beforehand of players.

“Doing that for 1,000 levels each astatine erstwhile is precise hard by hand,” helium said. “So the astir important happening to recognize present is that we are utilizing AI arsenic similar a customized design.”

For astir players, Green said, the amusive successful solving the puzzles lies successful the “up and down.” Levels aren't designed successful bid of difficulty. An casual level tin travel a fewer hard levels — oregon vice versa — to springiness the crippled a consciousness of variety. Leveraging AI means that alternatively of the squad moving connected respective 100 levels each week, they could perchance amended thousands of levels per week due to the fact that they're capable to automate the drafting of the improved levels, helium added.

“We speech to players each the time,” helium said. “We besides get the quantitative feedback. We tin spot however players respond to the levels... How casual are the levels? Do they get benignant of stuck, oregon are they progressing successful the mode that we hope?”

To find whether gamers and playing done the mode the designers intended, King looks astatine respective factors, including walk complaint — however galore times a subordinate passes a level retired of each 100 attempts — and however often a committee is “reshuffled,” oregon refreshed with each candies rearranged. Some metrics are besides intangible, similar whether a level is simply fun.

“It’s also, to immoderate extent, evidently subjective,” Green said. “It’s antithetic for antithetic people.”

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