Compare prog.1 prices across trusted key stores and find the best deal. Developed by Vector Arcade. Published by Groupees Interactive. Released on 6/23/2016. Available on PC, Mac. Genres: Indie.

A micro-sized pixel platformer with a genuinely clever mechanical hook - your virus corrupts everything it lands on, and the world crumbles around you as proof.

I have a soft spot for the tiny Steam page that nobody covers, and prog.1 is exactly that: a minimalist 2D puzzle-platformer from 2016 that most people scrolled past and a handful of reviewers approached with polite confusion. The concept is quietly brilliant. You play a sentient computer virus loose inside the G.A.i.A project, an experiment by scientists Dr. Cushing and Dr. Keiko to construct a fully artificial digital universe. The story is delivered in voiced cutscenes that punctuate the action every few levels, and while the narrative stays lean and a little opaque, it has an unorthodox ending that tends to linger. That is genuinely rare for something this short. The mechanical heart of the game is the disappearing platform system, and it earns its place. Small tiles vanish the moment you touch them, larger ones flash red before collapsing, and a third type cycles between solid and deleted states. The thematic fit is almost too good: you are a virus, so of course the environment disintegrates under you. Surviving each of the 48 levels means collecting keys while the floor literally ceases to exist, and the best stages ask you to loop back vertically through sections you have already partially destroyed. That looping design gives the short levels a feeling of intentionality that lifts the whole package. Your virus has a stripped-down moveset - run, jump, and a single reset button to restart the stage from scratch - which keeps the challenge honest and focused. Where prog.1 struggles is content density. The run time for experienced platformer players sits around one to two hours, and there are no unlocks, no secondary objectives, no challenge modes, nothing to reward a second visit beyond personal speed-running. The difficulty also spikes unevenly in the middle chapters, relying occasionally on paths that look correct but quietly funnel you into failure, which reads as cheap rather than clever. The story, meanwhile, keeps its head down and never quite expands the fascinating premise as far as you wish it would. Who is this for? Honestly, it suits the same crowd that appreciates a well-crafted puzzle box even when the box is small. If you have played your fill of Super Meat Boy and N++ and want something with a quieter, more considered atmosphere, prog.1 has a specific quality of handcraft in its level geometry that larger games rarely bother with at this scale. The pixel art is clean, the digital sci-fi soundscape carries an appropriately cold, systemic texture, and the whole thing knows what it is trying to say even if it runs out of time before saying it fully. It is not a long game. It is not a deep game. But it is a precise one, and precision is its own kind of honesty. Kai, Scout Team

prog.1

prog.1

Jun 23, 2016Vector ArcadeGroupees Interactive
GamerScout Says

A micro-sized pixel platformer with a genuinely clever mechanical hook - your virus corrupts everything it lands on, and the world crumbles around you as proof.

PCMac
Best Price Available
€2.94
at Kinguin
Lowest tracked: €2.94
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GamerScout Verdict

Worth a look for precision-platformer fans who value tight mechanical theming over content volume - just know it ends in under two hours.

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Price History

Lowest tracked
€2.9431 Aug 2026
Current best
€2.94
Lowest since we started tracking
Keyshops
€2.73€2.89€3.04€3.205 Jun28 Jun22 Jul14 Aug6 Sept
5 Jun — 6 Sept
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Screenshots & Media

About prog.1

I have a soft spot for the tiny Steam page that nobody covers, and prog.1 is exactly that: a minimalist 2D puzzle-platformer from 2016 that most people scrolled past and a handful of reviewers approached with polite confusion. The concept is quietly brilliant. You play a sentient computer virus loose inside the G.A.i.A project, an experiment by scientists Dr. Cushing and Dr. Keiko to construct a fully artificial digital universe. The story is delivered in voiced cutscenes that punctuate the action every few levels, and while the narrative stays lean and a little opaque, it has an unorthodox ending that tends to linger. That is genuinely rare for something this short. The mechanical heart of the game is the disappearing platform system, and it earns its place. Small tiles vanish the moment you touch them, larger ones flash red before collapsing, and a third type cycles between solid and deleted states. The thematic fit is almost too good: you are a virus, so of course the environment disintegrates under you. Surviving each of the 48 levels means collecting keys while the floor literally ceases to exist, and the best stages ask you to loop back vertically through sections you have already partially destroyed. That looping design gives the short levels a feeling of intentionality that lifts the whole package. Your virus has a stripped-down moveset - run, jump, and a single reset button to restart the stage from scratch - which keeps the challenge honest and focused. Where prog.1 struggles is content density. The run time for experienced platformer players sits around one to two hours, and there are no unlocks, no secondary objectives, no challenge modes, nothing to reward a second visit beyond personal speed-running. The difficulty also spikes unevenly in the middle chapters, relying occasionally on paths that look correct but quietly funnel you into failure, which reads as cheap rather than clever. The story, meanwhile, keeps its head down and never quite expands the fascinating premise as far as you wish it would. Who is this for? Honestly, it suits the same crowd that appreciates a well-crafted puzzle box even when the box is small. If you have played your fill of Super Meat Boy and N++ and want something with a quieter, more considered atmosphere, prog.1 has a specific quality of handcraft in its level geometry that larger games rarely bother with at this scale. The pixel art is clean, the digital sci-fi soundscape carries an appropriately cold, systemic texture, and the whole thing knows what it is trying to say even if it runs out of time before saying it fully. It is not a long game. It is not a deep game. But it is a precise one, and precision is its own kind of honesty.

Kai
Kai · Scout Team

Indie & narrative

Tags

singleplayercontroller-supporttrading-cardstier:sub-5Precision PlatformerDisappearing PlatformsSci-Fi NarrativeMinimalist DesignVoiced CutscenesShort-FormEnvironmental DestructionKey Collection

System Requirements

Minimum

OS
Windows 7
Memory
500 MB RAM
Storage
80 MB available space
Processor
1 Ghz CPU

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Game Info

Developer
Vector Arcade
Publisher
Groupees Interactive
Release Date
Jun 23, 2016

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Frequently asked questions about prog.1

How much does prog.1 cost?

As of 6 September 2026, the cheapest in-stock offer for prog.1 is €2.94 at Kinguin, out of 4 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy prog.1 cheapest?

The lowest in-stock price we track for prog.1 is €2.94 at Kinguin (6 September 2026). We compare 4 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is prog.1 available on?

prog.1 is available on PC, Mac.

When was prog.1 released?

prog.1 was released on 23 June 2016.

Who developed prog.1?

prog.1 was developed by Vector Arcade and published by Groupees Interactive.