Java Games Hub

Fifteen browser games with Java logic on the server — search, filter, and play.

     

Open the hub → pick a game → play in the browser.
Rules stay in Java. The UI uses the same warm amber / bronze theme as java-practice.

Play Games   ·   Source on GitHub   ·   Related: java-practice

_{Warm amber hub · search + category filters · Continue playing}

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What’s waiting when you click Play Games?

The live site opens a game menu (not a single game). From there you can search, filter by category, and open any of the 15 games below.

On the hub	Under the hood
Search + category chips	Java engines in service/
Continue playing	Session-backed game state
Featured starters + full catalog	Controllers + HTML templates

Free Render instances may sleep after idle time. The first visit can take ~30–60 seconds to wake.

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Preview — featured starters

Tic Tac Toe Two players take turns as X and O on a 3×3 board.

Hangman Guess letters before six mistakes. New word anytime.

Number Guess Find a secret number from 1–100 with high / low hints.

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Preview — more games

Memory Match Flip cards and find matching pairs.	Switch It Slide numbered tiles into order — 3 levels.
Math Sprint Ten quick arithmetic questions against the clock vibe.	Lights Out Toggle cells until every light is off.

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All 15 games

Game	Category	What you do
Tic Tac Toe	Classic	Two players take turns as X and O on a 3×3 board
Hangman	Words	Guess letters before six mistakes
Memory Match	Memory	Flip cards and find matching pairs
Switch It	Puzzle	Slide numbered tiles into order (3 levels)
Number Guess	Logic	Find a secret number from 1–100
Rock Paper Scissors	Classic	Play rounds against the computer
Reaction Click	Classic	Click the lit cell as fast as you can
Typing Challenge	Words	Type the shown words accurately
Word Finder	Words	Count words that start with a letter
Parking Slots	Logic	Park and clear vehicles in a lot
Number Lab	Logic	Mark numbers matching the lab removal rule
Color Sequence	Memory	Repeat a growing color pattern
Math Sprint	Logic	Ten quick arithmetic questions
Odd One Out	Logic	Pick the item that does not belong
Lights Out	Puzzle	Toggle cells until every light is off

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Try it

1. Click Play Games
2. Use search or the category chips (Classic · Puzzle · Words · Logic · Memory)
3. Open a card — when you return to Hub, Continue playing remembers the last one

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How to run locally

Needs JDK 17 and Maven.

export JAVA_HOME=$(/usr/libexec/java_home -v 17)   # macOS
mvn spring-boot:run

Then open http://localhost:8080.

Docker

docker build -t java-games-hub .
docker run --rm -p 8080:8080 -e PORT=8080 java-games-hub

Refresh README screenshots

npm install playwright@1.48.0
npx playwright install chromium
npm run docs:screenshots

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Deploy

This is a normal Spring Boot app (host on Render, Railway, or any JVM/Docker host — not Vercel).

The repo includes a Dockerfile and render.yaml. On Render: New → Web Service → connect this repo → Docker → Free → Deploy.

Live URL: https://java-games-hub.onrender.com

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Project layout

src/main/java/.../controller/   # routes + hub
src/main/java/.../service/      # game engines (Java logic)
src/main/resources/templates/   # HTML pages
src/main/resources/static/      # CSS + hub.js
docs/images/                    # README screenshots
scripts/capture-screenshots.mjs # Playwright capture
Dockerfile                      # production image
render.yaml                     # Render blueprint

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License

This project is licensed under the MIT License.

Author

Baheesa Fatima — web version of ACP Java game practice.