'Epic Zen Garden' Metal Demo Shown Off at WWDC Now Available for Download

At its Worldwide Developers Conference in June, Apple unveiled Metal, an API designed to improve game performance on iOS. Epic Games took the stage during the event to show off Epic Zen Garden, a game built using the Unreal 4 Engine and the Metal API.

The game, which was designed to show off the impressive graphic enhancement features possible with Metal, demonstrated an expansive world with a fully interactive environment. Users could touch a tree to send a cascade of leaves and cherry blossoms swirling to the ground or interact with a group of koi fish.

epiczengarden
As of today, Epic Zen Garden is available for download, letting users see some of the things that will be possible in iOS games in the near future. The game supports a resolution of 1440 x 1080 at 30fps, and can display 3,500 butterflies at once. One of the major features of Metal is that it allows for more draw calls, letting a huge number of objects be displayed on the screen.

Epic Zen Garden is a beautiful graphical environment showcasing the power of iOS 8, developed by Epic Games with Unreal Engine 4. Tap to navigate this interactive oasis brimming unmatched detail on mobile. Swipe the Sakura tree to make thousands of cherry blossoms swirl in the air, graze the koi pond to summon leagues of fish, and rake the sand with your finger to create subtle designs. Touch the well to bring throngs of butterflies out of hiding.

More information on how Metal works, Epic Zen Garden and the Unreal Engine 4 can be seen in the video below.


Epic Zen Garden can be downloaded from the App Store for free. [Direct Link]

(Thanks, Eli!)

Popular Stories

iPhone 17 Pro 3 4ths Perspective Aluminum Camera Module 1

New iPhone 17 Pro Details: Brighter Display, Best Battery Life, and More

Wednesday September 3, 2025 5:33 am PDT by
Apple's iPhone 17 Pro and iPhone 17 Pro Max models will feature a number of significant display, thermal, and battery improvements, according to new late-stage rumors. According to the Weibo leaker known as "Instant Digital," the iPhone 17 Pro models will feature displays with higher brightness, making it more suitable for use in direct sunlight for prolonged periods. The iPhone 16 Pro and...
iPhone 17 Pro Iridescent Feature 2

iPhone 17 Pro Clear Case Leak Reveals Three Key Changes

Sunday August 31, 2025 1:26 pm PDT by
Apple is expected to unveil the iPhone 17 series on Tuesday, September 9, and last-minute rumors about the devices continue to surface. The latest info comes from a leaker known as Majin Bu, who has shared alleged images of Apple's Clear Case for the iPhone 17 Pro and Pro Max, or at least replicas. Image Credit: @MajinBuOfficial The images show three alleged changes compared to Apple's iP...
iphone 16 pro ghost hand

iPhone 17 Pro: 5 Reasons Not to Upgrade This Year

Monday September 1, 2025 4:35 am PDT by
Apple will launch its new iPhone 17 series this month, and the iPhone 17 Pro models are expected to get a new design for the rear casing and the camera area. But more significant changes to the lineup are not expected until next year, when the iPhone 18 models arrive. If you're thinking of trading in your iPhone for this year's latest, consider the following features rumored to be coming to...
iPhone 17 Pro Iridescent Feature 2

iPhone 17 and iPhone 17 Pro Prices Estimated Ahead of Apple Event Next Week

Tuesday September 2, 2025 1:50 pm PDT by
Just one week before Apple is expected to unveil the iPhone 17 series, an analyst has shared new price estimates for the devices. Here are J.P. Morgan analyst Samik Chatterjee's price estimates for the iPhone 17 series in the United States, according to 9to5Mac: Model Starting Price Model Starting Price Change iPhone 16 $799 iPhone 17 ...
iPhone 17 Pro Dark Blue and Orange

iPhone 17 Release Date, Pre-Orders, and What to Expect

Thursday August 28, 2025 4:08 am PDT by
An iPhone 17 announcement is a dead cert for September 2025 – Apple has already sent out invites for an "Awe dropping" event on Tuesday, September 9 at the Apple Park campus in Cupertino, California. The timing follows Apple's trend of introducing new iPhone models annually in the fall. At the event, Apple is expected to unveil its new-generation iPhone 17, an all-new ultra-thin iPhone 17...
iOS 18 on iPhone Arrow Down

Apple Preparing iOS 18.7 for iPhones as iOS 26 Release Date Nears

Sunday August 31, 2025 4:35 pm PDT by
Apple is preparing to release iOS 18.7 for compatible iPhone models, according to evidence of the update in the MacRumors visitor logs. We expect iOS 18.7 to be released in September, alongside iOS 26. The update will likely include fixes for security vulnerabilities, but little else. iOS 18.7 will be one of the final updates ever released for the iPhone XS, iPhone XS Max, and iPhone XR,...
iPhone 17 Pro on Desk Centered 1

Survey: Nearly 70% of Users Plan to Upgrade to iPhone 17

Monday September 1, 2025 8:24 am PDT by
A new survey has found that nearly seven in ten iPhone owners in the United States plan to upgrade to an iPhone 17 model, signaling strong demand ahead of Apple's expected unveiling of the devices at its September 9 keynote. Smartphone price comparison platform SellCell surveyed over 2,000 U.S.-based iPhone users in August to assess upgrade interest and brand loyalty before Apple's event....

Top Rated Comments

doelcm82 Avatar
143 months ago
Why is this front page news?
Probably to annoy you.
Score: 20 Votes (Like | Disagree)
teslo Avatar
143 months ago
whatever. i don't play my games with any less than 4,000 butterflies.
Score: 16 Votes (Like | Disagree)
melb00m Avatar
143 months ago
Compatibility:
Requires iOS 8.0 or later. Compatible with iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad Air Wi-Fi + Cellular, iPad mini with Retina display, and iPad mini with Retina display Wi-Fi + Cellular. This app is optimized for iPhone 5.

so which is it?

It requires the A7, so it's iPhone 5s and up. "optimized for iPhone 5" was introduced to indicate that the App is optimized for a 4" screen during the iPhone 4s to 5 transition. I think this information will be removed soon, and the wording is really misleading.
Score: 5 Votes (Like | Disagree)
Lordskelic Avatar
143 months ago
Makes me think of Epic Citidel which came out back when the iPhone 4 was the big thing. I believe it was showing off Unreal Engine 3 at the time.
Score: 4 Votes (Like | Disagree)
macduke Avatar
143 months ago
I've love to know, just what spec of 'PC' this graphical power is equal to.

The PowerVR G6430 is shipping in the A7. It has a peak output of about 115 GFLOPS. For comparison, the original Xbox GPU is about 6 GFLOPS, the Xbox 360 GPU is about 240 GFLOPS, and the Xbox One is around 1300 GFLOPS. The A8 was stated to be 50% faster, so we're talking around 170 GFLOPS, which is about 70% the speed of an Xbox 360. This is why they still have to fake a lot to get things running up to par visually. That all being said, I hope they limit 3D games on the iPhone Plus to 720p and crank up other things like the lighting effects, etc. The iPhone has twice the RAM of the Xbox 360, so you might be able squeak out some last gen games that look decent running at 720p. A fast motion game isn't going to look vastly different in your hand at 720p vs. native 1080p. Those differences are more noticeable on a larger TV. What is really interesting is the 6S. Assuming a similar 50% bump in GPU performance, it will slightly surpass last-gen consoles and will likely ship with 2GB of ram (well we also said that about the 6 so who knows). But still, 3D gaming on the iPhone is really going to come into it's own. And with Metal, we might be able to get more performance out of them by comparison to consoles.
Score: 3 Votes (Like | Disagree)
Col4bin Avatar
143 months ago
damnit USA, you are always ahead.

We drive the boat Chief. :cool:
Score: 3 Votes (Like | Disagree)