Undum is described as 'Remember those Choose Your Own Adventure, or Fighting Fantasy books? Where you got to choose what your character does next? Well if you think of that in a web-page you have hypertext interactive fiction, or HIF' and is a game development tool in the development category. There are more than 25 alternatives to Undum for a variety of platforms, including Windows, Web-based, Linux, Self-Hosted and Mac apps. The best Undum alternative is Dream Novel, which is free. Other great apps like Undum are Twine, Inky by Inkle, Ink by Inkle and QuestJS.
Dream Novel is an AI-powered visual novel platform where every story adapts to your choices. Create dynamic, branching narratives with evolving characters and immersive worlds - no two playthroughs are the same.
editor that uses the Ink narrative scripting language and allows you to play and test your interactive (game) narrative stories on the fly.
ink is a scripting language built around the idea of marking up pure-text with flow in order to produce interactive scripts.
Quest 6 is a full re-write of Quest, an interactive fiction app, to pure JavaScript. It's a framework for creating parser-based text adventures.
Chronicler is an open source desktop application which allows users to create CYOA/MCG (choose your own adventure/multiple choice games) interactive fiction using a GUI not dissimilar to Twine (i.e. in the style of a flow chart).
An interactive Fiction Space Engine and application for creating and playing Interactive Fiction games (e.g.: Colossal Cave, Zork, Choose your path books) with no coding required.
Moiki is a web-based platform that facilitates the creation, sharing, and exporting of interactive stories. The stories can be played on a range of devices including computers, mobiles, and tablets. Moiki provides a dynamic and immersive format for an engaging user experience.
Inform is a free app for creating works of interactive fiction, available for MacOS, Windows, Linux and Android. Inside it is a powerful programming language based on English language text. This redesigned website is part of the preparations for open-sourcing the software.
Yarn Spinner is a tool for creating interactive dialogue for games. Write your conversations in Yarn, a simple programming language that's designed to be easy for writers to learn, while also powerful enough to handle whatever you need.
ChoiceScript is a simple programming language for writing multiple-choice games (MCGs) like Choice of the Dragon. Writing games with ChoiceScript is easy and fun, even for authors with no programming experience.
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