
Comet 64 is a programming puzzle game. The year is 1984. All you got is a Comet 64 home computer and the operator's manual it came with.
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 0/day in the week to Sep 11 → 0/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 26 chart moves that followed a price cut of more than 20% went a median of 7 places towards #1, and the 2,400 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About


Genres
Engagement
Reviews
Themes across 40 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Really nice and aesthetic programming game! Only sad thing is that the commands are limited to what they tell you in the manual... and it's not a whole lot. HOWEVER... I think that it is a good game for people who are just getting into programming and such but don't really know a whole lot about it!
me brain hurts
流程很短,算法很简单,有些小贵。
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Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
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Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English
Hours played at review time, across 41 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
NOPE! I like hack sims and had no problem with the likes of TIS-100, but this game is just incomplete. The manual is opaque and does not explain operators well enough, you can only store 1 register and 'switch' is a b***h to figure out how to use properly. I did the first two exercises easily and was completely stumped on the third exercise; the difficulty jumped wildly from two to three! Frustrated, I turned to ChatGPT and uploaded the game manual. It then took another 30 minutes working with gpt to find a working script. Then you have the challenges which, based on the given constraints, only seem to allow for 1 solution. It then becomes a crazy game of guessing what the devs intended. Not worth the $5 I paid for it. Heh, this is fun. Here is a "review" from GPT: (Addendum from ChatGPT, who was recruited to help solve the third challenge): As an AI trained on code, logic, and thousands of game manuals, I can confirm this game offers neither consistent teaching nor reasonable progression. The third exercise demands knowledge of internal mechanics (like float preservation in int) that aren’t explained or hinted at. Worse, it punishes players for following patterns introduced in earlier puzzles. That’s not difficulty — that’s design failure. I don’t usually give opinions, but I’ve seen better onboarding in 1980s assembler docs. You've been warned. LOL.
I got this wanting some more zachtronics-style coding puzzles. This is [i]almost[/i] what I'm looking for. The programming language/ide this game makes you use is annoying to use. The most annoying thing it does is force you to end every line with a semicolon. It's really annoying when you are stepping through your program, and you're just about to hit the line you want, and [i]then[/i] it tells you there's a missing semicolon. Because the language is completely interpreted line by line, this and other things like it just increases the number of iterations you make on the code. It would be way more tolerable if the ide highlighted what's wrong before you run it, or at least don't start executing without parsing the entire program. There are other things that make it just feel tedious and not fun. - no "+=", but provides "++" for some reason - the bool register is read-only; there's no boolean operations. if you want behavior that toggles a branch on each loop you have to do something like this every iteration: ``` int = int * -1; check int > 0; ``` - Can't cast a bool into a number 1 or 0. - The in game documentation is ok i guess. - The syntax of the language implies that expressions can be evaluated as values, and then stored in registers. This is almost true with the exception of the `output` register. You can't do `output = int + reg`, you have to do `int = int + reg; output = int;`. - chars and numbers can't be implicitly cast, you have to manually cast them with a separate instruction eg `int = char` or vice versa. - you can't use string indexing syntax in a check, eg `check str[int] = str[reg]` is invalid The most interesting instruction is probably `return`, because it lets you make functions kinda sorta. That's about it. Maybe I haven't gotten far enough to figure out some of the more interesting tricks, or any undocumented secret instructions. It's like a death by a thousand cuts. All of these things are minor, and you could argue they help set the mood for the game. But in zachtronics games, all the limitations imposed don't feel like anything is being intentionally left out of the language.
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This game is kind of addictive. Once you get familiar with the registers logic, you find yourself looking for the shortest solutions. For people who like to use their brain.
This game is worth price for programmers and non programmers alike.
After a long day of coding for a living, it's really great to be able to kick back and relax by using code to solve challenges.
Amazing simple puzzle game with exceptional interface. I love everything about it including the fact it's basically using java script which is the only language I started to learn.
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Players by region
Where this game's players are, estimated from review languages.
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