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Grok/Replit Open 2025






Coding a Game with Grok and Replit


“Vibe Coding” Video Games with Grok and Replit


Initial game screen with one player and two players options

While the phrase “vibe coding” may make the experienced (aka old) amongst us cringe as a term, the results are absolutely noteworthy and inspiring. Not only did I code a Pong clone with the Wimbledon color scheme, the HTML and CSS for this entire post was actually generated from about a paragraph worth of prompting into the free version of Grok.


Difficulty Selection Screen

Admittedly I already found a bug that needs to be fixed when showing the game to my wife the first day. On the difficulty selection page the selector doesn’t move smoothly, but for a game that was created in bursts of 10-15 minutes with a total invested time of 1-2 hours, I’m happy with the results.


Paused game screen with ball and paddles visible

It’s the small items that really made me appreciate the game like the ability to press the “p” key to pause the game or the different colored wood for the paddles. That even extends to this post. I’ve now spent way more time refining the HTML and CSS of this post than I did on the game at all in the name of getting the presentation to look better and links to work within the framework Grok provided.


Game Over Screen

By pressing the “esc” key you can end the game and then the screen will return to the main page after 5 seconds. Another cool detail Grok even added to this post is how if you hover your cursor over the attached images they zoom in for a better view without having to open another tab or page.


Grok code editor with HTML and CSS for the game

I got the idea for the game and publishing from the Grok 4: Deploy a game in under 2 minutes video by @mattppal who works for Replit and is constantly putting out killer content on how to generate new and more impressive apps using the platform.


Inserting the Grok generated code into the Replit app builder.

The app was published quickly and for free using the Replit free tier and could not have been a smoother process. All I had to do was paste in the code that Grok generated and I was off to the races!


WordPress post setup with file chat

Both Grok and Replit have excellent application preview windows that allow you to see your development in real time as you work. For Replit you can get even more granular by looking over each potential platform and how the app presents. Currently my game only works on a desktop PC, but adding additional functionality would certainly be an easily executed task.


Inserting the Grok generated code into the Replit app builder.

If you’re data hungry about the performance and metrics of your app Replit has you covered. I can see where every user is located, how long they play, just about anything you could every want to know about how your customers are interacting with your product. This would be excellent for quick iteration and testing features.

Play the Game

Experience the game live! Click the link below to play:

Play Now


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Nano Long Range V1 Update

The Nano Long Range V1 that I am working on with my dad is a combination of the original Nano Long Range design from Dave_C_FPV and the boot strapped rubber band assembled design from Unboxingexperience7 that are both hosted on Thingiverse .

Nano Long Range V1 fresh off the 3D printer.
“What is this a frame for ants!?”

I used Dave’s print file for the body of the drone because of the enclosed belly pan. I still may need to add additional landing apparatus as my time in the FPV.SkyDive simulator has been fun, but hasn’t exactly made me Top Gun material yet. My dad thought that the whole frame was so small initially that I may have made an error with what print file that I sent him.

My first FPV (First Person View) headset fit check.
Eagerly test fitting components as they came in.
Checking the flight controller fitment as soon as it came in since it and the remote were the last components to arrive and that took almost a month.
Getting some flight time in the simulator with my actual flight controller. Mess in the background courtesy of a failed sump pump.

One of the parts of the build that excites me the most is the fact that the design was created to run on high discharge 18650 batteries that to date run about $7.00 per cell. Not only are the cells cheap, but from what I’ve seen they should provide approximately 20 minutes of flight time per charge. The other big advantage is the ability to print a new frame from a variety of materials as I iterate on the design.

Desoldering a stock plug from the flight controller to replace it with one having a better orientation for assembly.
Removing an over sized pinout on the 5V step up board so it can be assembled in a tighter package.

Last weekend was our first big push at finalizing the design and assembly of the components. The small area of the pads to solder and ensuring that we had the correct connection terminals, since neither of the original designs use a BetaFPV 2022 F4 1S 12A AIO Brushless Flight Controller, were the most time consuming aspects. We were able to use the stock harnesses on the 11000KV EMAX TH12025 1202.5 Motors from getfpv.com that are originally intended to be replacements for the Nanohawk X drone.

While some of the component selection may seem arbitrary, I used Grok from xAI to assist in comparison of the parts, considering the age of the source materials provided, to make choices based on the current state of the art while ensuring that the parts stay within the operational limits of the original designs.

I’m looking forward to making more progress with the build in the coming weeks and getting it airborne as soon as possible.