Tim Sweeney is a legendary video game programmer, founder and CEO of Epic Games that created the Unreal Engine, Fortnite, Gears of War, Unreal Tournament, and many other groundbreaking and influential video games. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep467-sb See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. *Transcript:* https://lexfridman.com/tim-sweeney-transcript *CONTACT LEX:* *Feedback* - give feedback to Lex: https://lexfridman.com/survey *AMA* - submit questions, videos or call-in: https://lexfridman.com/ama *Hiring* - join our team: https://lexfridman.com/hiring *Other* - other ways to get in touch: https://lexfridman.com/contact *EPISODE LINKS:* Tim's X: https://x.com/timsweeneyepic Epic Games: https://epicgames.com/ *SPONSORS:* To support this podcast, check out our sponsors & get discounts: *Notion:* Note-taking and team collaboration. Go to https://lexfridman.com/s/notion-ep467-sb *MasterClass:* Online classes from world-class experts. Go to https://lexfridman.com/s/masterclass-ep467-sb *Shopify:* Sell stuff online. Go to https://lexfridman.com/s/shopify-ep467-sb *AG1:* All-in-one daily nutrition drink. Go to https://lexfridman.com/s/ag1-ep467-sb *LMNT:* Zero-sugar electrolyte drink mix. Go to https://lexfridman.com/s/lmnt-ep467-sb *OUTLINE:* 0:00 - Episode highlight 3:06 - Introduction 3:39 - 10,000 hours programming 6:56 - Advice for young programmers 15:07 - Video games in the 80s and 90s 17:16 - Epic Games origin story 29:54 - Indie game development 35:47 - Unreal Engine 1:01:44 - Technical details of Unreal Engine 1:06:36 - Constructive solid geometry 1:12:35 - Dynamic lighting 1:17:05 - Volumetric fog 1:20:32 - John Carmack 1:22:19 - Evolution of Unreal Engine 1:28:34 - Unreal Engine 5 1:39:45 - Creating realistic humans 1:48:54 - Lumen global illumination 1:53:24 - Movies 2:08:06 - Simulating reality 2:20:21 - Metaverse 2:22:57 - Fortnite 2:26:53 - Scaling 2:42:17 - Game economies 2:43:46 - Standardizing the Metaverse 2:51:59 - Verse programming language 3:13:32 - Concurrency 3:21:09 - Unreal Engine 6 3:25:47 - Indie game developers 3:28:45 - Apple 3:43:25 - Epic Games Store 4:06:16 - Future of gaming 4:12:16 - Greatest games ever made 4:17:53 - GTA 6 and Rockstar Games 4:21:12 - Hope for the future *PODCAST LINKS:* - Podcast Website: https://lexfridman.com/podcast - Apple Podcasts: https://apple.co/2lwqZIr - Spotify: https://spoti.fi/2nEwCF8 - RSS: https://lexfridman.com/feed/podcast/ - Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 - Clips Channel: https://www.youtube.com/lexclips *SOCIAL LINKS:* - X: https://x.com/lexfridman - Instagram: https://instagram.com/lexfridman - TikTok: https://tiktok.com/@lexfridman - LinkedIn: https://linkedin.com/in/lexfridman - Facebook: https://facebook.com/lexfridman - Patreon: https://patreon.com/lexfridman - Telegram: https://t.me/lexfridman - Reddit: https://reddit.com/r/lexfridman