Revenue is a rough estimate from public install counts × genre ARPD — order of magnitude only.
Z-Machine - makes playing classic Zork interactive fiction and graphical games possible and easy on Android devices. Currently supports: Zork I: The Great Underground Empire Zork II: The Wizard of Frobozz Zork III: The Dungeon Master Beyond Zork: The Coconut of Quendor Zork Zero: The Revenge of Megaboz Return to Zork Z-Machine is not the games themselves and does not contain or require any ROMs to play. Z-Machine simply provides an interface to the publicly available Internet Archive posting of the streaming version of the games found here: https://archive.org/details/msdos_Zork_I_-_The_Great_Underground_Empire_1980 https://archive.org/details/msdos_Zork_II_-_The_Wizard_of_Frobozz_1981 https://archive.org/details/msdos_Zork_III_-_The_Dungeon_Master_1982 https://archive.org/details/msdos_Beyond_Zork_-_The_Coconut_of_Quendor_1987 https://archive.org/details/msdos_Zork_Zero_-_The_Revenge_of_Megaboz_1988 https://archive.org/details/msdos_Return_to_Zork This requires internet to load the games, but does not use any data after that.
Modeled estimate, not a reported figure. How we estimate →
Audience
How many people have installed this game, as the storefront reports it. This number is worldwide — unlike the price, the same package answers with the same install count in every market we asked — so it carries no country. Each source below is a different kind of number and they are never drawn on one axis.
Aug 12, 2026 — Sep 17, 2026 · 34 readings
Google Play shows “1,000+” on the store page.
Play publishes a precise install counter alongside the rounded step users see on the store page. This is that counter, worldwide, as it stood each day we asked.
Of the eight storefronts we track, only Google Play publishes an install count we can read. Where a store publishes nothing of the kind, this panel shows nothing rather than a zero.
About
Z-Machine - makes playing classic Zork interactive fiction and graphical games possible and easy on Android devices. Currently supports: Zork I: The Great Underground Empire Zork II: The Wizard of Frobozz Zork III: The Dungeon Master Beyond Zork: The Coconut of Quendor Zork Zero: The Revenge of Megaboz Return to Zork Z-Machine is not the games themselves and does not contain or require any ROMs to play. Z-Machine simply provides an interface to the publicly available Internet Archive posting of the streaming version of the games found here: https://archive.org/details/msdos_Zork_I_-_The_Great_Underground_Empire_1980 https://archive.org/details/msdos_Zork_II_-_The_Wizard_of_Frobozz_1981 https://archive.org/details/msdos_Zork_III_-_The_Dungeon_Master_1982 https://archive.org/details/msdos_Beyond_Zork_-_The_Coconut_of_Quendor_1987 https://archive.org/details/msdos_Zork_Zero_-_The_Revenge_of_Megaboz_1988 https://archive.org/details/msdos_Return_to_Zork This requires internet to load the games, but does not use any data after that.
Stats
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Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
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Selling now
See how fast this game is selling right now — estimated copies and revenue per day from recent review growth.
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $2.5B | 52.2M | 84% | Free | |
| $845.6M | 15.4M | 71% | Free | |
| $809.7M | 1.2M | 96% | $59.99 | |
| $544.1M | 6.4M | 94% | Free | |
| $521.8M | 2.2M | 88% | Free | |
| $469.3M | 439.9K | 94% | $59.99 |
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $3.7K | 56 | 94% | Free | |
| $3.7K | 164 | 100% | Free | |
| $3.7K | 179 | 84% | $1.99 | |
| $3.7K | 278 | 98% | Free | |
| $3.7K | 314 | 96% | Free | |
| $3.6K | 61 | 82% | $0.99 |