One thing Shadowveil: Legend of the Five Rings does well is invoke terror. Not just the terror of an overwhelming mass of dark energy encroaching on your fortress, which is what the story suggests; more so, the terror of hoping your little computer-controlled fighters will do the smart thing and then being forced to watch, helpless, as they are consumed by algorithmic choices, bad luck, your strategies, or some combination of all three.

Shadowveil, the first video game based on the more than 30-year-old Legend of the Five Rings fantasy franchise, is a roguelite auto-battler. You pick your Crab Clan hero (berserker hammer-wielder or tactical support type), train up some soldiers, and assign all of them abilities, items, and buffs you earn as you go. When battle starts, you choose which hex to start your fighters on, double-check your load-outs, then click to start and watch what happens. You win and march on, or you lose and regroup at base camp, buying some upgrades with your last run's goods.

In my impressions after roughly seven hours of playing, Shadowveil could do more to soften its learning curve, but it presents a mostly satisfying mix of overwhelming odds and achievement. What's irksome now could get patched, and what's already there is intriguing, especially for the price.

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It's not the update that most Apple watchers were hoping for, but today, Apple announced upgrades to two of its iPads, including the standard iPad and the quirky middle child, the iPad Air.

The iPad Air moves up from an M2 in last year's Air refresh to an M3 chip, which is capable of Apple Intelligence and more graphics rendering. The Magic Keyboard gets a new layout with a larger trackpad and a physical function key row.

iPad Air and its Magic Keyboard. Credit: Apple

That's a notable upgrade for anybody doing real, portable-minded work with an iPad, but there's even better news: The new Magic Keyboard with those physical keys is backward-compatible with previous iPad Airs: 4th and 5th generation, 11-inch M2 and M3, and 13-inch M2 and M3 models (better news, that is, if you're good with the $270 price).

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Zach Barth, the namesake of game studio Zachtronics, tends to make a certain kind of game.

Besides crafting the free browser game Infiniminer, which inspired the entire global Minecraft industry, Barth and his collaborators made SpaceChem, Infinifactory, TIS-100, Shenzen I/O, Opus Magnum, and Exapunks. Each one of them is some combination of puzzle game, light capitalism horror, and the most memorable introductory-level computer science, chemistry, or logistics class into which you unwittingly enrolled. Each game is its own thing, but they have a certain similar brain feel between them. It is summed up perhaps best by the Zachtronics team itself in a book: Zach-Like.

Barth and his crew have made other kinds of games, including a forward-looking visual novel about AI, Eliza, and multiplayer card battler Nerts!. And Barth himself told PC Gamer that he hates "saying Zach-like." But fans of refining inputs, ordering operations, and working their way past constraints will thrill to learn that Zach is, in fact, back.

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EA doesn't always treat its classic library with respect, as evidenced by its recent barely touched-up The Sims Legacy Collection. But the folks shepherding Command & Conquer, a vanguard series in the bygone genre of real-time strategy (RTS) games, are seemingly fueled by a different kind of Tiberium.

After releasing a reverential remaster of the first two games in 2020 with 4K upscaling and behind-the-scenes looks at their full-motion video scenes, EA is now opening up the series even more to its fans. Source code for the original C&C, Red Alert, Renegade (the first-person one), and Generals/Zero Hour has been dropped on GitHub. Along with Steam Workshop support for most of the series, that should enable a new generation of mods for the games. Given the extent of the code available, mods could include the kinds of modern updates, like higher and wider resolutions or beefed-up textures and refresh rates, that all good games deserve.

Building and working with this code will not be a plug-and-play affair. The namesake 1995 game and its hugely popular 1996 Red Alert sequel require some older dependencies, like DirectX 5 and the Greenleaf Communications Library (for a full build and tool access) and the Borland Turbo Assembler (TASM 4.0) to compile. Renegade and Generals, however, call for a whole lot more nostalgia: STLport 4.5.3, the SafeDisk API, the GameSpy SDK, the RAD Miles Sound System SDK, and at least eight more.

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The integrated heat spreaders put on CPUs at the factory are not the most thermally efficient material you could have on there, but what are you going to do—rip it off at the risk of killing your $500 chip with your clumsy hands?

Yes, that is precisely what enthusiastic overclockers have been doing for years, delidding, or decapping (though the latter term is used less often in overclocking circles), chips through various DIY techniques, allowing them to replace AMD and Intel's common denominator shells with liquid metal or other advanced thermal interface materials.

As you might imagine, it can be nerve-wracking, and things can go wrong in just one second or one degree Celsius. In one overclocking forum thread, a seasoned expert noted that Intel's Core Ultra 200S spreader (IHS) needs to be heated above 165° C for the indium (transfer material) to loosen. But then the glue holding the IHS is also loose at this temperature, and there is only 1.5–2 millimeters of space between IHS and surface-mounted components, so it's easy for that metal IHS to slide off and take out a vital component with it. It's quite the Saturday afternoon hobby.

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Game studio Monolith, part of Warner Bros. Games until yesterday's multi-studio shutdown, had a notable track record across more than 30 years, having made Blood, No One Lives Forever, Shogo: Mobile Armor Division, F.E.A.R., and, most recently, the Lord of the Rings series, Shadow of Mordor and Shadow of War.

Those games, derived from J.R.R. Tolkien's fiction, had a "Nemesis System," in which the enemies that beat the player or survive a battle with them can advance in level, develop distinct strengths and weaknesses, and become an interesting subplot and motivation in the game. Monolith's next game, the now-canceled Wonder Woman, was teased more than three years ago and said to be "powered by the Nemesis System."

Not only will Wonder Woman not be powered by the Nemesis System, but likely no other games will be, either, at least until August 2036. That's when "Nemesis characters, nemesis forts, social vendettas and followers in computer games," patent US2016279522A1, is due to expire. Until then, any game that wants to implement gameplay involving showdowns, factions, and bitter NPC feelings toward a player must either differentiate it enough to avoid infringement, license it from Warner Brothers, or gamble on WB Games' legal attention.

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If you head over to the Steam Next Fest charts right now, Valve will offer you a glimpse of the 2,228 games offering free downloadable demos as part of the event through Sunday, March 3. That is way too many games to effectively evaluate in such a short time, even with the massive resources of the Ars Orbiting HQ.

But we haven't let that stop us from trying. With the assistance of some early access provided by Valve and game publishers, we've spent the last few days playing dozens and dozens of the most promising Next Fest demos in an attempt to pull out some interesting-looking needles from Valve's massive haystack. Below are the results of that search—a varied list of 11 titles we think are worth investing some time (and zero dollars of money) into a demo download.

But this is just a starting point. Please use the comments below to share any other diamonds in the rough you think your fellow Ars readers need to know about.

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Rust, a modern and notably more memory-safe language than C, once seemed like it was on a steady, calm, and gradual approach into the Linux kernel.

In 2021, Linux kernel leaders, like founder and leader Linus Torvalds himself, were impressed with the language but had a "wait and see" approach. Rust for Linux gained supporters and momentum, and in October 2022, Torvalds approved a pull request adding support for Rust code in the kernel.

By late 2024, however, Rust enthusiasts were frustrated with stalls and blocks on their efforts, with the Rust for Linux lead quitting over "nontechnical nonsense." Torvalds said at the time that he understood it was slow, but that "old-time kernel developers are used to C" and "not exactly excited about having to learn a new language." Still, this could be considered a normal amount of open source debate.

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If you know how OLED displays work, you know about one of their greatest strengths: Individual pixels can be shut off, offering deeper blacks and power savings. Dark modes, now available on most operating systems, aim to save power by making most backgrounds very dark or black, while also gratifying those who just prefer the look.

But what about on the older but still dominant screen technology, LCDs? The BBC is out with a small, interesting study comparing the light and dark modes of one of its website pages on an older laptop. Faced with a dark mode version, most people turned up the brightness a notable amount, sometimes drawing more power than on light mode.

It's not a surprise that dark modes don't do anything to reduce LCD power draw. However, the study—not peer-reviewed but published as part of the International Workshop on Low Carbon Computing—suggests that claims about dark mode's efficiency may be overstated in real-world scenarios, with non-cutting-edge hardware and humans at the controls.

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Signal, as an encrypted messaging app and protocol, remains relatively secure. But Signal's growing popularity as a tool to circumvent surveillance has led agents affiliated with Russia to try to manipulate the app's users into surreptitiously linking their devices, according to Google's Threat Intelligence Group.

While Russia's continued invasion of Ukraine is likely driving the country's desire to work around Signal's encryption, "We anticipate the tactics and methods used to target Signal will grow in prevalence in the near-term and proliferate to additional threat actors and regions outside the Ukrainian theater of war," writes Dan Black at Google's Threat Intelligence blog.

There was no mention of a Signal vulnerability in the report. Nearly all secure platforms can be overcome by some form of social engineering. Microsoft 365 accounts were recently revealed to be the target of "device code flow" OAuth phishing by Russia-related threat actors. Google notes that the latest versions of Signal include features designed to protect against these phishing campaigns.

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Valve's updates to its classic games evoke Hemingway's two kinds of going bankrupt: gradually, then suddenly. Nothing is heard, little is seen, and then, one day, Half-Life 2: Deathmatch, Day of Defeat, and other Source-engine-based games get a bevy of modern upgrades. Now, the entirety of Team Fortress 2 (TF2) client and server game code, a boon for modders and fixers, is also being released.

That source code allows for more ambitious projects than have been possible thus far, Valve wrote in a blog post. "Unlike the Steam Workshop or local content mods, this SDK gives mod makers the ability to change, extend, or rewrite TF2, making anything from small tweaks to complete conversions possible." The SDK license restricts any resulting projects to "a non-commercial basis," but they can be published on Steam's store as their own entities.

Since it had the tools out, Valve also poked around the games based on that more open source engine and spiffed them up as well. Most games got 64-bit binary support, scalable HUD graphics, borderless window options, and the like. Many of these upgrades come from the big 25-year anniversary update made to Half-Life 2, which included "overbright lighting," gamepad configurations, Steam networking support, and the like.

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Most PC games that you can play on a modern PC would run faster on an Nvidia RTX 5080 or 5090 than, say, a GTX 1070. But some games, from a particular phase of enthusiasm for particles, destructible environments, and smooth-moving hair, will take a notable hit if their owners upgrade to the latest Nvidia cards.

That's because PhysX, once a dedicated physics simulation tool and card that became a selling point for Nvidia's gear, has been largely deprecated on Nvidia 50-series cards. The transition was announced in January, but it seems to have taken some time for someone to notice the impact on 32-bit, PhysX-enabled games (as seen by PCGamesN). The most recent of these affected games, Assassin's Creed IV: Black Flag, came out in 2013.

What follows is a brief primer on PhysX: what it was, what it did, and why it's left out of Nvidia's road map.

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I really like Asus’ ROG Flow Z13 for what it is: a convertible tablet with way more gaming power than you would think. Looking at this thing, you might expect to see it propped up at an airport bar, in front of somebody talking into wireless headphones about Tim in Product. But there’s a lot of frame-rendering and multicore processing power inside this glass-fronted slab with a keyboard cover. It's an impressive showcase for AMD's leap forward in integrated power.

The Z13 can rip through Hitman and Shadow of the Tomb Raider on their highest settings at its native 2560×1600 resolution. Turn the resolution down to a reasonable-for-this-size 1920×1080 and you can play Cyberpunk 2077 at its Ultra settings at 45–55 frames per second, depending on your power and upscaling preferences. On a device that is essentially a beefy Microsoft Surface, this is no small thing. The AMD Ryzen AI Max+ 395 "Strix Halo" inside the Z13, with the latest Ryzen 8060S GPU built into it, is not just capable—it's a step up from most of the gaming laptops out there.

The Asus ROG Flow Z13, opened up and ready to play some benchmark games. Credit: Kevin Purdy

As a Windows convertible, it has some interesting tech and notable upgrades from the 2022 product that was also called the ROG Flow Z13. Its webcam works with Windows Hello and logs you in 95 percent of the time. The keyboard has decent travel, the trackpad has a pleasant smoothness, and you can prop the thing up anywhere along the solid kickstand’s 170-degree range. It’s a Copilot+ PC if that matters to you, and when you’re not pushing ray-traced gaming frames, its battery life is no slouch.

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Remember the Lumia 1020? It's back—in iPhone SE form.

The Lumia 1020 was a lot of smartphone in July 2013. It debuted with a focus "almost entirely on the phone's massive camera," Ars wrote at the time. That big 41-megapixel sensor jutted forth from the phone body, and Nokia reps showed off its low-light, rapid-motion camera abilities by shooting pictures of breakdancers in a dark demonstration room. The company also offered an optional camera grip—one that made it feel a lot more like a point-and-shoot camera. In a more robust review, Ars suggested the Lumia 1020 might actually make the point-and-shoot obsolete.

The Lumia 1020 contained yet another cutting edge concept of the day: Windows Phone, Microsoft's color-coded, square-shaped companion to its mobile-forward Windows 8. The mobile OS never got over the users/apps, chicken/egg conundrum, and called it quits in October 2017. The end of that distant-third-place mobile OS would normally signal the end of the Lumia 1020 as a usable phone.

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X, the social platform formerly known as Twitter, is seemingly blocking links to Signal, the encrypted messaging platform, according to journalist Matt Binder and other firsthand accounts.

Binder wrote in his Disruptionist newsletter Sunday that links to Signal.me, a domain that offers a way to connect directly to Signal users, are blocked on public posts, direct messages, and profile pages. Error messages—including "Message not sent," "Something went wrong," and profiles tagged as "considered malware" or "potentially harmful"—give no direct suggestion of a block. But posts on X, reporting at The Verge, and other sources suggest that Signal.me links are broadly banned.

Signal.me links that were already posted on X prior to the recent change now show a "Warning: this link may be unsafe" interstitial page rather than opening the link directly. Links to Signal handles and the Signal homepage are still functioning on X.

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Working at the intersection of Apple's newest hardware and Linux kernel development, for the benefit of a free distribution, was never going to be easy. But it's been an especially hard couple of weeks for Hector Martin, project lead for Asahi Linux, capping off years of what he describes as burnout, user entitlement, and political battles within the Linux kernel community about Rust code.

In a post on his site, "Resigning as Asahi Linux project lead," Martin summarizes his history with hardware hacking projects, including his time with the Wii homebrew scene (Team Twiizers/fail0verflow), which had its share of insistent users desperate to play pirated games. Martin shifted his focus, and when Apple unveiled its own silicon with the M1 series, Martin writes, "I realized that making it run Linux was my dream project." This time, there was no jailbreaking and a relatively open, if tricky, platform.

Support and donations came quickly. The first two years saw rapid advancement of a platform built "from scratch, with zero vendor support or documentation." Upstreaming code to the Linux kernel, across "practically every Linux subsystem," was an "incredibly frustrating experience" (emphasis Martin's).

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Last night, Apple posted a new support document about migrating purchases between accounts, something that Apple users with long online histories have been waiting on for years, if not decades. If you have movies, music, or apps orphaned on various iTools/.Mac/MobileMe/iTunes accounts that preceded what you're using now, you can start the fairly involved process of moving them over.

"You can choose to migrate apps, music, and other content you’ve purchased from Apple on a secondary Apple Account to a primary Apple Account," the document reads, suggesting that people might have older accounts tied primarily to just certain movies, music, or other purchases that they can now bring forward to their primary, device-linked account. The process takes place on an iPhone or iPad inside the Settings app, in the "Media & Purchases" section in your named account section.

There are a few hitches to note. You can't migrate purchases from or into a child's account that exists inside Family Sharing. You can only migrate purchases to an account once a year. There are some complications if you have music libraries on both accounts and also if you have never used the primary account for purchases or downloads. And migration is not available in the EU, UK, or India.

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Google's Chrome browser might soon get a useful security upgrade: detecting passwords used in data breaches and then generating and storing a better replacement. Google's preliminary copy suggests it's an "AI innovation," though exactly how is unclear.

Noted software digger Leopeva64 on X found a new offering in the AI settings of a very early build of Chrome. The option, "Automated password Change" (so, early stages—as to not yet get a copyedit), is described as, "When Chrome finds one of your passwords in a data breach, it can offer to change your password for you when you sign in."

Chrome already has a feature that warns users if the passwords they enter have been identified in a breach and will prompt them to change it. As noted by Windows Report, the change is that now Google will offer to change it for you on the spot rather than simply prompting you to handle that elsewhere. The password is automatically saved in Google's Password Manager and "is encrypted and never seen by anyone," the settings page claims.

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There are only two licensed professional sports games included in Wikipedia's "List of video games notable for negative reception." Do not be fooled, however: WWE 2K20 and eFootball 2022 are just the outliers, arriving so poorly crafted as to cause notable outcry and an actual change to development plans. Most licensed professional sports games come out yearly, whether fully baked, notably improved, or not, and fans who have few other options to play with their favorite intellectual property learn to make do with them.

Not so with fans of Football Manager, a series that can be traced back in some form to 1992 that has released a game almost every year, minus one ownership shift in the early 2000s. Sports Interactive, the company behind the franchise, released a statement on Thursday (in British time) that says that "following extensive internal discussions and careful consideration," Football Manager 25 is canceled. The game was "too far away from the standards you deserve," so they are focusing on the 2026 version.

Trying not to make “the same bloody game every year”

Credit: Sports Interactive

Football Manager 2025 was already delayed twice and is now quite late—as we are now midway into the European football (or what Americans call soccer) season. The game was intended to be a major overhaul.

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Let's Encrypt has been providing free "wildcard" certificates for websites for nearly seven years, enabling HTTPS connections for millions of domains and doing the whole Internet a real solid.

Now the nonprofit is ending a useful service, but in an exceedingly rare happenstance, it's probably a good thing for everyone. Starting June 4, 2025, Let's Encrypt will no longer notify its subscribers that their certification is about to expire and needs renewal. Some hosting providers automatically obtain and manage certificates from Let's Encrypt, so there's not much for them to do. Everyone else will have to do something, and likely it will still be free and automated.

Let's Encrypt is ending automated emails for four stated reasons, and all of them are pretty sensible. For one thing, lots of customers have been able to automate their certificate renewal. For another, providing the expiration notices costs "tens of thousands of dollars per year" and adds complexity to the nonprofit's infrastructure as they are looking to add new and more useful services.

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