
Screenshots

Watch trailer on Steam ↗Stack Machines
UP DEVELOPMENT LTD. · Published by UP DEVELOPMENT LTD. · Official site ↗
Positive — 100% positive (10 reviews) · 7 achievements
Last updated 27 Sept 2026
Push and pop your way through Stack Machines - an open-ended puzzle programming game. Use a variety of modules to read, transform and output different input sequences. Optimize your solutions for size, module count, speed and cost-effectiveness.
£9.99
Lowest price we've ever recorded
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Price history
Simulation · 2023 · More £5 - £15 games
Delve into the intricate world of Stack Machines, where each challenge requires you to manipulate modules for optimal solutions. Navigate through this engaging simulation crafted by UP DEVELOPMENT LTD., released in 2023.
About this game
Stack Machines is an open-ended puzzle programming game. Use the stack data structure in the form of 4 stack machines moving according to the modules(instructions) placed on a grid to read, transform and output different input sequences. Optimize your solutions for size, module count, speed and cost-effectiveness.
Features
4 stacks
Wrapping resizable board
Open-ended puzzles with a lot of potential for optimization
4 optimization metrics
Recording of solution videos
Histograms
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7 / 8 / 10 / 11; 64-bit
- Processor: 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Support for OpenGL 3.3
- Storage: 200 MB available space
Recommended
- Requires a 64-bit processor and operating system
Supported Languages
Latest news
Patch NotesOfficial
Version 1.1.1 - changed the pixel format of recorded videos
Changelog for version 1.1.1:changed the pixel format of recorded videos to resolve an issue when posting them on XRead full article on Community Announcements (UP Development)AnnouncementsOfficial
Version 1.1 - recording solution videos and a tutorial
Just like the update for our latest game - OCTOPTICOM 3D, the highlight of version 1.1 of Stack Machines is the new video-recording feature, which lets you easily record and share your solutions.A short recorded video:You can control the length of the video from the Settings.Changelog for version 1.1:added recording of solution videos, available from the Histograms dialogadded a tutorial to level 1updated to Godot 3.6.2, for Linux users the oldest supported Ubuntu version is now 20.04Read full article on Community Announcements (UP Development)AnnouncementsOfficial
OCTOPTICOM 3D
https://store.steampowered.com/app/3316580/ OCTOPTICOM 3D is a major upgrade for the old classic OCTOPTICOM. Featuring 3D graphics and gameplay, a refined user interface, completely rewritten simulation resolving previous bugs and issues, all original levels and components plus new additions, along with histograms and friend leaderboards tracking up to five competitive metrics. Also includes sandbox mode and blueprints for even more creative freedom. For better accessibility there are remappable controls and customizable colors, along with labels.Read full article on Community Announcements (UP Development)Patch NotesOfficial
Update v1.0.3
Version 1.0.3 changelog: fixed friends scores in the histograms panel showing only one entryRead full article on Community Announcements (UP Development)Patch NotesOfficial
Update v1.0.2
Version 1.0.2 changelog: changed the description of the isop modules to avoid confusion about "operation -" fixed possible '-1000' in level 37('Consecutive')Read full article on Community Announcements (UP Development)






