Optimizing numerical systems and mechanism design is crucial for enhancing player experience in Massively Multiplayer Online (MMO) games. Traditional optimization approaches rely on large-scale online experiments or parameter tuning over predefined statistical models, which are costly, time-consuming, and may disrupt player experience. Although simplified offline simulation systems are often adopted as alternatives, their limited fidelity prevents agents from accurately mimicking real player reasoning and reactions to interventions. To address these limitations, we propose a generative agent-based MMO simulation system empowered by Large Language Models (LLMs). By applying Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL) on large-scale real player behavioral data, we adapt LLMs from general priors to game-specific domains, enabling realistic and interpretable player decision-making. In parallel, a data-driven environment model trained on real gameplay logs reconstructs dynamic in-game systems. Experiments demonstrate strong consistency with real-world player behaviors and plausible causal responses under interventions, providing a reliable, interpretable, and cost-efficient framework for data-driven numerical design optimization.

Years ago, while on vacation in the Northwest, my husband and I rented a room in the home of a middle-aged couple, one of whom had recently retired. The house was old, beautiful, and cozily laden with objects that signalled domestic inertia. It sat on a lush, wild sprawl of farmland that immediately inspired fantasies of leaving San Francisco and our tech jobs, foraging for mushrooms, administering to septic systems, and turning over soil. One morning over breakfast, conversation shifted to our host's retirement. He was glad to have more time at home with his wife and their dog.

On a recent afternoon in Maracaibo, Venezuela, Alexander Marinez, who has short-cropped black hair and three-to-four-day stubble, sat in front of his computer tracking herbiboars in the mushroom forests on Fossil Island. He pressed down on his glowing mouse, the newest addition to his otherwise timeworn gaming setup. The pixelated character on his computer screen followed the tracks of a hedgehoglike creature with triangular tusks and herbs growing out of its back. Outside Marinez's one-story house, the sun bore down on the dirt road. His home lies about six miles away from the strait that connects the Caribbean Sea with Lake Maracaibo, one of the world's richest sources of oil. The character inspected a tunnel. Suddenly, the herbiboar appeared, and the character attacked, stunning it.

Will you smell the robot in the room? Might documentaries explore the situation of bioprinted human organ transplantations on the black market? Will virtual reality cause a worldwide obesity epidemic? The Medical Futurist shares the weirdest ideas about how healthcare might look a hundred years from now. Let's peek into a dystopic future of healthcare.

Robots equipped with artificial intelligence technologies could become the "Kalashnikovs" of the future after entering the black market, a report by the technology think tank ThinkTech has suggested, state-run Anadolu Agency reported on Feb. 13.

BeautifulPeople.com, you may remember, is a dating site that allows members to vote on hopeful enlistees based on their looks, ensuring that people who belong meet certain standards of both attractiveness and shallowness. It bills itself as "a dating site where existing members hold the key to the door." Turns out, the site maybe should have put them in charge of server security, as well. The personal data of 1.1 million members is currently for sale on the black market, after hackers took it from an insecure database. Last December, security researcher Chris Vickery made a curious discovery while browsing through Shodan, a search engine that lets people look for internet-connected devices.

A pair of wealthy Americans are looking for brain implants on the black market that will allow them to communicate with each other using the power of thought. That's according to presidential candidate Zoltan Istvan who believe that in a few decades, we could all be plugged into an AI'matrix'. 'Eventually, this type of technology will allow us to be connected 24/7 to the internet and on social media,' he told the DailyMail.com. 'This is the beginning of the hive mind, where everyone is interconnected to one another.' A pair of wealthy Americans are looking for brain implants on the black market that will allow them to communicate with each other using the power of thought.