[*Warning* Playing Frotz involves reading, thinking, and typing. If you just want to blow stuff up, this is not the app for you!]

Burned out on all the new-fangled graphics and dazzling eye candy on your shiny new iPhone or iPad? Nostalgic for a simpler time? Then take advantage of those crisp high-resolution fonts to relive the glory days of the Great Underground Empire, or play any of hundreds of great works from the Interactive Fiction archive.

Frotz lets you play free works of Interactive Fiction (a.k.a. text adventure games) on your iPhone, iPod Touch, or iPad.

Frotz plays titles written in the Z-Machine format (which was invented by Infocom and was used to produce classic text adventures from the 80s such as the Zork Trilogy, Hitchhiker's Guide to the Galaxy, and Trinity), as well as glulx and TADS formats.

In the past couple of decades, text adventures have experienced a renaissance of sorts due to the efforts of a diverse Internet community of talented interactive fiction writers and fans. Many of these games are written using the same engine that powered Infocom's titles, thanks to the Inform compiler and authoring system created by Graham Nelson.

NOTE! If you have suggestions for improving Frotz or encounter bugs, please go to the support link and report them.

Frotz for iOS - Interactive Fiction at Your Fingertips

What’s New

Version 1.8.6

- Fix crash on iPad when trying to restart story from Story Details view.
- Fix hang which can occur when scrolling in Frotz Settings.

Ratings and Reviews

4.8 out of 5
157 Ratings

157 Ratings

shaynemb ,

The best

I am under the age of 20 meaning I wasn’t even alive during the age of interactive fiction when Infocom was actually a company. Yet most video games today don’t offer the player the random and sporadic thinking required to win, making those games boring and repetitive. I love reading as well and can’t get enough of a good story. When I discovered interactive fiction it satisfied both of those desires. So many of these games are extremely challenging and hold a unique story that always has something unique. These games take a lot of time and effort however this is the best app in the App Store I’ve ever had.

NotAsBigBen ,

Fun to play, functional, some improvements can be made.

I have enjoyed Frotz for the most part. My only complaint is that many games are intended to be played with specific features that are not included here. For instance: The Dreamhold is intended to have a built in map that develops as you explore, which is not included. This made the game more difficult, however, I was able to finish (with some help from the interweb). Another example: Photopia is intended to be played with multicolor text which is not included here. I have not played much Photopia yet, so I'm not sure how this will affect gameplay. My experience has been that these problems make the games convenient, but never impossible. As for praise: I have had nothing but fun playing the games here, and the app moves smoothly. The catalog of games is very impressive and I can't wait to play them all!

anon69695959595 ,

Wonderful! (Question inside!)

This is a wonderful story telling game, I love it very much. Though some stories can be difficult without some sort of guide. Other than that I have a question. For the story, “Varicella” there is a command called “penis.” Me and my friend at every confused on what the purpose of this is, since it is one of the preset word. Ex being if I type x and space it will become examine. If I type pen, penis will show up. If you could perhaps give me the answer me and my friend are searching for, that would be great! Much love.

App Privacy

The developer, Craig Smith, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


Craig Smith
45.9 MB

Requires iOS 9.3 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Infrequent/Mild Profanity or Crude Humor
Infrequent/Mild Cartoon or Fantasy Violence
Infrequent/Mild Mature/Suggestive Themes
Infrequent/Mild Horror/Fear Themes


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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