{"id":1995306,"date":"2026-06-17T15:18:26","date_gmt":"2026-06-17T12:18:26","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=1995306"},"modified":"2026-06-17T15:18:26","modified_gmt":"2026-06-17T12:18:26","slug":"unreal-engines-big-new-idea-is-letting-gen-ai-llms-plug-directly-into-it-and-talk-to-it","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=1995306","title":{"rendered":"Unreal Engine&#8217;s big new idea is letting gen-AI LLMs plug directly into it and talk to it"},"content":{"rendered":"<article class=\"article \" data-ads=\"true\" data-article-type=\"news\" data-article-group=\"news\" data-paywalled=\"false\" data-premium=\"false\" data-sponsored=\"false\" data-type=\"article\">\n<header class=\"article_header\" data-component=\"article-header\">\n<div class=\"breadcrumbs\">\n<nav class=\"nav_breadcrumbs\" data-component=\"nav-breadcrumbs\" aria-label=\"Breadcrumb\">\n<ul class=\"nav-links\">\n<li>\n                <a href=\"https:\/\/www.eurogamer.net\/\" data-active=\"false\"><br \/>\n                      Home<br \/>\n                <\/a>\n            <\/li>\n<li>\n                <a href=\"https:\/\/www.eurogamer.net\/news\" data-active=\"false\"><br \/>\n                      News<br \/>\n                <\/a>\n            <\/li>\n<\/ul>\n<\/nav><\/div>\n<div class=\"headline_details\" id=\"main-content\">\n<h1 class=\"title\">Unreal Engine&#8217;s big new idea is letting gen-AI LLMs plug directly into it and talk to it<\/h1>\n<p class=\"strapline\">&#8220;What we&#8217;ve shown here today would take months to build by hand.&#8221;<\/p>\n<\/p><\/div>\n<div class=\"headline_asset\">\n<figure class=\"headline_image_wrapper\">\n<p>        <img fetchpriority=\"high\" decoding=\"async\" class=\"headline_image\" src=\"https:\/\/assetsio.gnwcdn.com\/unreal-engine-ai-room.png?width=570&amp;quality=85&amp;format=jpg&amp;dpr=3&amp;auto=webp\" alt=\"Unreal Engine AI co-developed room shown during State of Unreal showcase.\" loading=\"eager\" data-uri=\"unreal-engine-ai-room.png\" data-lightbox width=\"570\" height=\"322\"><figcaption>\n          <span class=\"attribution\">Image credit: <cite>Epic Games<\/cite><\/span><br \/>\n        <\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"metadata\">\n<div class=\"avatar\">\n<p>    <img loading=\"lazy\" decoding=\"async\" alt=\"Connor Makar avatar\" src=\"https:\/\/assetsio.gnwcdn.com\/tAtwiaBo_400x400.jpg?width=2048&amp;height=2048&amp;fit=bounds&amp;quality=85&amp;format=jpg&amp;auto=webp\" style=\"aspect-ratio: 1\" width=\"374\" height=\"374\"><\/p>\n<p>  <img alt=\"Connor Makar avatar\" data-autosize=\"crop_lossy\" data-uri=\"tAtwiaBo_400x400.jpg\" loading=\"lazy\" style=\"aspect-ratio: 1\" width=\"374\" height=\"374\">\n<\/div>\n<div class=\"text\">\n<div class=\"byline\">\n                  <span class=\"article_type\" data-slug=\"news\"><br \/>\n                    News<br \/>\n                  <\/span><\/p>\n<p><span class=\"by\">by<\/span> <span class=\"author\"><a href=\"https:\/\/www.eurogamer.net\/authors\/connor-makar\">Connor Makar<\/a><\/span>                    <span class=\"job_title\"><br \/>\n                      Staff Writer<br \/>\n                    <\/span>\n            <\/div>\n<div class=\"published_at\">\nPublished on <time datetime=\"2026-06-17T15:18:26+00:00\">June 17, 2026<\/time>              <\/div>\n<div class=\"comments\">\n      <a class=\"comments__link comments-bubble\" href=\"https:\/\/www.eurogamer.net\/unreal-engine-5-8-ai-llm-engine?view=comments\" rel=\"nofollow\"><br \/>\n          5 comments<br \/>\n      <\/a>\n    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/header>\n<div class=\"article_body\" data-component=\"article-content\">\n<div class=\"article_body_content article-styling\">\n<p>Epic Games has revealed a new tool for Unreal Engine 5.8 which allows generative AI large language models (LLMs) to plug into and communicate with the engine directly, using its tools while being directed by text prompts.<\/p>\n<p>This tool, called the Unreal MCP plugin, was revealed during the State of Unreal broadcast today, presented by senior director of Epic Games&#8217; Research &amp; Development department, Michael Lentine. It is available to use right now by Unreal Engine developers.<\/p>\n<figure>\n<div class=\"video_wrapper youtube\">\n<a aria-label=\"State of Unreal 2026 Livestream\" class=\"video-facade full-size\" data-platform=\"youtube\" href=\"https:\/\/www.youtube.com\/embed\/afIq-5qm1Wc?autoplay=1\" title=\"Click to play video from YouTube\"><br \/>\n<img decoding=\"async\" alt=\"Cover image for YouTube video\" class=\"video-facade__image\" loading=\"lazy\" src=\"https:\/\/i.ytimg.com\/vi\/afIq-5qm1Wc\/hqdefault.jpg\"><span class=\"video-facade__title\">State of Unreal 2026 Livestream<\/span><\/p>\n<p><\/a>\n<\/div><figcaption>You can watch the State of Unreal livestream here.<a class=\"video\" href=\"https:\/\/www.youtube.com\/watch?v=afIq-5qm1Wc\" rel=\"noopener\" target=\"_blank\">Watch on YouTube<\/a><\/figcaption><\/figure>\n<p>The first example we saw showed Unreal Engine running on one half of the screen with a Claude chat box  on the right of the screen. A user then gave Claude instructions, allowing the LLM to generate and alter furniture in an empty room..<\/p>\n<p><span class=\"injection_placeholder\" data-position=\"1\"><\/span><\/p>\n<p>But Lentine was keen to stress during the presentation that you, the developer, will be in control. &#8220;Models are good at broad iterations,&#8221; Lentine said, &#8220;You&#8217;re good at knowing exactly what you want.&#8221;. The presentation then moved to show the creation of a cityscape, built with a combination of manual work and AI generation.<\/p>\n<p>In a later example, which showed lighting being decided upon for this city, the user asked the LLM to make &#8220;overcast&#8221; skies. The model got this wrong, which was highlighted by Lentine. The presentation then showed the user&#8217;s ability to correct this manually using the LLM chat box.<\/p>\n<p>Finally, the presentation showed a smaller scene where a hazard would occur as a player gets close in a city street environment. Lentine describes this as a scene that would &#8220;normally mean days of back-and-forth between multiple disciplines&#8221;, before showing how this new tool could rectify the issue  relatively quickly.<\/p>\n<p>&#8220;What we&#8217;ve shown here today would take months to build by hand, but with the MCP server and Unreal, our artists were able to make all of this in days,&#8221; Lentine said. &#8220;When you lower the technical friction, you can iterate more and make better games.&#8221;<\/p>\n<p><span class=\"injection_placeholder\" data-position=\"2\"><\/span><\/p>\n<p>While this is a presentation, and not necessarily reflective of how the tool will actually work in the hands of developers, it does appear to be a method of blurring the lines between AI-generation in game development and hand-built projects.<\/p>\n<p>On top of all this, another Unreal Engine developer Marcus Wasmer (EVP of development at Epic Games) came on stage and pushed back against speculation that AI will supercede game engines. Instead, he said that &#8220;AI-assisted game creation&#8221; will tighten itteration loops, and reduce time-consuming tasks.\n<\/p>\n<p>He said that generative AI and LLMs would play a &#8220;central role&#8221; in building content faster, while providing the creative control developers need.<\/p>\n<p>This reveal comes at a time where the lines are already plenty blurred. While pushback against generative AI use in game development remains fierce, many developers continue to use it to aid in development of modern titles. Only recently, <a href=\"https:\/\/www.eurogamer.net\/crazy-taxi-world-tour-officially-announced-sega-immediately-upsets-everyone-by-announcing-it-used-generative-ai\">Sega had to address the tech&#8217;s use in the upcoming Crazy Taxi World Tour<\/a>, describing it as a &#8220;support tool for developers&#8221;.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"preferred-source\" data-component=\"preferred-source\">\nLove Eurogamer.net? Make us a <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.google.com\/preferences\/source?q=https:\/\/www.eurogamer.net\">Preferred Source on Google<\/a> and catch more of our coverage in your feeds.  <\/div>\n<\/article>\n<div class=\"article_body\" data-component=\"article-content\">\n<div class=\"article_body_content article-styling\">\n<p>Epic Games has revealed a new tool for Unreal Engine 5.8 which allows generative AI large language models (LLMs) to plug into and communicate with the engine directly, using its tools while being directed by text prompts.<\/p>\n<p>This tool, called the Unreal MCP plugin, was revealed during the State of Unreal broadcast today, presented by senior director of Epic Games&#8217; Research &amp; Development department, Michael Lentine. It is available to use right now by Unreal Engine developers.<\/p>\n<figure>\n<div class=\"video_wrapper youtube\">\n<a aria-label=\"State of Unreal 2026 Livestream\" class=\"video-facade full-size\" data-platform=\"youtube\" href=\"https:\/\/www.youtube.com\/embed\/afIq-5qm1Wc?autoplay=1\" title=\"Click to play video from YouTube\"><br \/>\n<img decoding=\"async\" alt=\"Cover image for YouTube video\" class=\"video-facade__image\" loading=\"lazy\" src=\"https:\/\/i.ytimg.com\/vi\/afIq-5qm1Wc\/hqdefault.jpg\"><span class=\"video-facade__title\">State of Unreal 2026 Livestream<\/span><\/p>\n<p><\/a>\n<\/div><figcaption>You can watch the State of Unreal livestream here.<a class=\"video\" href=\"https:\/\/www.youtube.com\/watch?v=afIq-5qm1Wc\" rel=\"noopener\" target=\"_blank\">Watch on YouTube<\/a><\/figcaption><\/figure>\n<p>The first example we saw showed Unreal Engine running on one half of the screen with a Claude chat box  on the right of the screen. A user then gave Claude instructions, allowing the LLM to generate and alter furniture in an empty room..<\/p>\n<p><span class=\"injection_placeholder\" data-position=\"1\"><\/span><\/p>\n<p>But Lentine was keen to stress during the presentation that you, the developer, will be in control. &#8220;Models are good at broad iterations,&#8221; Lentine said, &#8220;You&#8217;re good at knowing exactly what you want.&#8221;. The presentation then moved to show the creation of a cityscape, built with a combination of manual work and AI generation.<\/p>\n<p>In a later example, which showed lighting being decided upon for this city, the user asked the LLM to make &#8220;overcast&#8221; skies. The model got this wrong, which was highlighted by Lentine. The presentation then showed the user&#8217;s ability to correct this manually using the LLM chat box.<\/p>\n<p>Finally, the presentation showed a smaller scene where a hazard would occur as a player gets close in a city street environment. Lentine describes this as a scene that would &#8220;normally mean days of back-and-forth between multiple disciplines&#8221;, before showing how this new tool could rectify the issue  relatively quickly.<\/p>\n<p>&#8220;What we&#8217;ve shown here today would take months to build by hand, but with the MCP server and Unreal, our artists were able to make all of this in days,&#8221; Lentine said. &#8220;When you lower the technical friction, you can iterate more and make better games.&#8221;<\/p>\n<p><span class=\"injection_placeholder\" data-position=\"2\"><\/span><\/p>\n<p>While this is a presentation, and not necessarily reflective of how the tool will actually work in the hands of developers, it does appear to be a method of blurring the lines between AI-generation in game development and hand-built projects.<\/p>\n<p>On top of all this, another Unreal Engine developer Marcus Wasmer (EVP of development at Epic Games) came on stage and pushed back against speculation that AI will supercede game engines. Instead, he said that &#8220;AI-assisted game creation&#8221; will tighten itteration loops, and reduce time-consuming tasks.\n<\/p>\n<p>He said that generative AI and LLMs would play a &#8220;central role&#8221; in building content faster, while providing the creative control developers need.<\/p>\n<p>This reveal comes at a time where the lines are already plenty blurred. While pushback against generative AI use in game development remains fierce, many developers continue to use it to aid in development of modern titles. Only recently, <a href=\"https:\/\/www.eurogamer.net\/crazy-taxi-world-tour-officially-announced-sega-immediately-upsets-everyone-by-announcing-it-used-generative-ai\">Sega had to address the tech&#8217;s use in the upcoming Crazy Taxi World Tour<\/a>, describing it as a &#8220;support tool for developers&#8221;.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Home News Unreal Engine&#8217;s big new idea is letting gen-AI LLMs plug directly into it and talk to it &#8220;What we&#8217;ve shown here today would take months to build by hand.&#8221; Image credit: Epic Games News by Connor Makar Staff Writer Published on June 17, 2026 5 comments Epic Games has revealed a new tool [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[226,253],"class_list":["post-1995306","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-crawlmanager","tag-eurogamer-net"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1995306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1995306"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1995306\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1995306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1995306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1995306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}