--- title: GURPS Q&A From Fallout's Development | daily.dev description: Tim Cain, one of Fallout's original developers, shares eight real emails from 1994 in which he asked GURPS designer Steve Jackson detailed rules clarification... canonical: https://daily.dev/posts/gurps-q-a-from-fallout-s-development-rr2ywzwt3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: GURPS Q&A From Fallout's Development | daily.dev og:description: Tim Cain, one of Fallout's original developers, shares eight real emails from 1994 in which he asked GURPS designer Steve Jackson detailed rules clarification... og:url: https://daily.dev/posts/gurps-q-a-from-fallout-s-development-rr2ywzwt3 og:image: https://api.daily.dev/og/posts/Rr2yWZwt3.png og:image:alt: GURPS Q&A From Fallout's Development og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # GURPS Q&A From Fallout's Development **[Cain on Games](https://daily.dev/sources/cainongames)** · 19 min read · 0 upvotes · 0 comments ## Summary Tim Cain, one of Fallout's original developers, shares eight real emails from 1994 in which he asked GURPS designer Steve Jackson detailed rules clarification questions needed to code the GURPS system for the original Fallout game. The emails cover edge cases like skill defaults, tech-level-based skills, eidetic memory cost reductions, spell prerequisites, and chained skill defaults — illustrating the precise, unambiguous answers a programmer needs when translating tabletop RPG rules into computer code. Steve Jackson responded in detail to nearly all questions, sometimes admitting bugs or oversights in the printed rules. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Fallout Co-Creator on What Modern Titles Can Learn from 1980s Games](https://daily.dev/posts/fallout-co-creator-on-what-modern-titles-can-learn-from-1980s-games-jljus9lbq) · 80 LEVEL · 0 upvotes · 0 comments - [Fallout Dev: Bethesda Doesn't Have "Engineering Know-How" for Remaster](https://daily.dev/posts/fallout-dev-bethesda-doesn-t-have-engineering-know-how-for-remaster-6ncrgoxm0) · 80 LEVEL · 0 upvotes · 0 comments --- Tags: [#game-development](https://daily.dev/tags/game-development), [#game-design](https://daily.dev/tags/game-design) [View this post on daily.dev](https://daily.dev/posts/gurps-q-a-from-fallout-s-development-rr2ywzwt3) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"GURPS Q&A From Fallout's Development","url":"https://daily.dev/posts/gurps-q-a-from-fallout-s-development-rr2ywzwt3","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/gurps-q-a-from-fallout-s-development-rr2ywzwt3"},"datePublished":"2026-07-19T07:58:49.683Z","dateModified":"2026-07-19T07:59:27.855Z","description":"Tim Cain, one of Fallout's original developers, shares eight real emails from 1994 in which he asked GURPS designer Steve Jackson detailed rules clarification...","image":"https://i.ytimg.com/vi/hmWWHKR0q6s/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/hmWWHKR0q6s/sddefault.jpg","isAccessibleForFree":true,"articleSection":"Cain on Games","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Cain on Games","logo":"https://media.daily.dev/image/upload/s--0LDOibCp--/f_auto,q_auto/v1784447924/logos/cainongames?_a=BAMAMicg0","url":"https://daily.dev/sources/cainongames"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/gurps-q-a-from-fallout-s-development-rr2ywzwt3","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"game-development,game-design","timeRequired":"PT19M","video":{"@type":"VideoObject","name":"GURPS Q&A From Fallout's Development","description":"Tim Cain, one of Fallout's original developers, shares eight real emails from 1994 in which he asked GURPS designer Steve Jackson detailed rules clarification...","thumbnailUrl":"https://i.ytimg.com/vi/hmWWHKR0q6s/sddefault.jpg","uploadDate":"2026-07-19T07:58:49.683Z","duration":"PT19M","url":"https://api.daily.dev/r/Rr2yWZwt3","embedUrl":"https://www.youtube.com/embed/hmWWHKR0q6s"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Cain on Games","item":"https://daily.dev/sources/cainongames"},{"@type":"ListItem","position":3,"name":"GURPS Q&A From Fallout's Development"}]} ```