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Exploring Variables and Conditional Logic in Interactive Fiction

"If And Only If" is a presentation discussing the use of conditional logic in game design. This download includes a PDF of the full text transcript, a .ppt (Microsoft PowerPoint) file, and .png files of the 33 individual slides. 

These demonstrations explore the use of variables and specific macros (set, if, else) in Twine 2. Examples are given in syntax appropriate for use in both SugarCube and Harlowe story formats. 

This resource was originally a talk given at Narrascope 2022; it was later included in HandEyeSociety's SuperFESTival 2022, and has since then been used as a guest lecture to teach several cohorts of Writing Interactive students. It's now available to all in a convenient downloadable form!

This resource was adapted from Twine tutorials created as part of the ongoing Twine Grimoire project. Patrons received early access to first drafts before these were later updated and reformatted as a presentation. Special thanks to everybody who has supported the Grimoire!

Rated 5.0 out of 5 stars
(6 total ratings)
AuthorGrim Baccaris
Tagshow-to, presentation, resource, Tutorial, tutorials, Twine
Average sessionAbout a half-hour


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Click download now to get access to the following files:

If And Only If - Full Download 8 MB
"If" Slides 4 MB
"If" Full Text PDF 625 kB
"If" PowerPoint 3 MB


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