
RoyalMate
Play chess against a computer opponent in your browser.
@katapayadi56789 · X
Check out what I just built with Lovable!
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Play chess against a computer opponent in your browser.
@katapayadi56789 · X
Check out what I just built with Lovable!

Test your prompt injection skills against AI agents in an interactive competitive challenge.
ibrahim_abdu777 · HN
We are giving away $100K > over the next 12 months to hack AI agents

Play a browser-based block puzzle game with Classic and Cascade modes, Daily Challenges, and global leaderboards.
@jovica_bojic · X
After months of building, my project is finally live. Bloxynator is a browser puzzle game built from scratch using vanilla JavaScript—no game engine, just web technologies. Now real work begins: improving, iterating, and shipping. 🎮 #buildinpublic

Play Tic-Tac-Toe, Snake, and 2048 in a high-contrast monochrome arcade with retro 8-bit sound effects.
@ParvaShastri · X
No login. No leaderboards. No BS. Just quiet me-time. 🕹️ I built MONO.ARCADE—a minimalist playground. And yes, it’s def vibecoded. 🏄♂️✨ 😉 18 classic games ready. Just click and play. 💡 Comment a game idea! I’ll build it & feature your name. 👉

Watch cinematic battles between 32 rival animals to determine the ultimate champion.
@rjones · X
As a 43-year-old father, building a game and creating characters of animals, with your son, is a pretty cool thing to tick off the bucket list ☀️

Guess League of Legends champions from splash art with daily challenges and leaderboards.
loldle — 英雄联盟猜谜小游戏

A card-based battle game for learning languages.
@maxhertan · X
I vibe coded a language learning game too!

Play tic-tac-toe in quick games, tournaments, or world ranking modes.
@johnsmithaqtj7 · X
Check out what I just built with Lovable!

Build trading bots with Python or visual blocks, backtest on real data, and compete on leaderboards without risking money.
@CodeBullapp · X
Building CodeBull. A platform where you build trading bots with Python or visual blocks, backtest them on real-world market data, and compete against other users’ strategies. Zero risk. Just learn trading by building.

Guess country rankings across categories to draft your ultimate nation.
u/LordDazzlee · Reddit
CountryDraft - Guess where a country ranks in a specific category Hey folks, I have built a country blind ranking game with a high score and casino-style spin mechanic. I have seen some people play similar games on social media via certain filters and decided to turn it into a text-based browser game. I have no knowledge of game developing of any sort. I have web designing background and built this mostly with the help of AI for coding, though the design and the idea came from m

Play 7 Takes, a card game of nerve and memory, against an AI dealer.
u/termicrafter16 · Reddit
A friend taught me a Slovenian card game two days ago. GPT-5.6 Sol helped me turn our argument into an AI opponent. Two days ago, a friend taught me Sedmice, a traditional card game we play in Slovenia. The rules are simple, but we quickly got into an argument about the best moves. Naturally, I decided the reasonable way to settle it was to build an AI opponent. I wrote out the rules, project specification, architecture, and implementation details, then handed the logic to GPT-5.6 Sol. Ab

Card stacking PvP auto battler where you face off to survive the winter nights.
@DirlyDev · X
Took Claude code for a gamedev spin made a stacklands async pvp autobattler. Just wanted to test it out. Try it here: