Crime and Punishment++ Antinomy Modern Version

無料で遊べるブラウザゲーム集。基本プレイに登録は不要。

This is a Reversi app that you can easily play in a web browser. You can play online matches with friends, and it also features a CPU battle mode where you can enjoy playing alone at your own pace.

Super retro game!

Answer just 12 questions to get a character diagnosis of your past life and your reincarnated villainess character.

マスによって獲得点数が異なるリバーシです。 27にこだわるのか、あくまで普通に打つのか・・・ 戦略はあなた次第です。

You decide the rules. Reversi (Othello) where you can freely customize the rules. For those tired of the usual rules.

A free creative support web app that integrates character management, relationship diagrams, wikis, and prompt boxes for TRPG and creative writing.

A web app that guesses and introduces your favorite doujinshi from over 10,000 works. An Akinator-style version for doujinshi.

Build your own ecosystem on the planet Eldora! A high-difficulty ecosystem strategy simulation game that becomes addictive!

A cool digital roulette app with a cyberpunk aesthetic! With just one tap, the 1-12 wheel spins wildly! From deciding party forfeits to daily luck tests, enjoy thrilling moments alongside neon lights🎉

身の回りのQRコード・バーコードからモンスターを召喚して戦う『QRバトル』

Merge + Tower Defense Browser Game Made with Godot 4. A game where you drag and drop animal units, merge units of the same level to strengthen them, and defend your tower from enemy waves. Start with small chicks and evolve all the way to dragons through merging. Enemies include goblins, skeletons, berserkers, and more. Compatible with both PC and mobile browsers. Free and no installation required: https://www.crazygames.com/game/drop-defense Solo developed. Some sprites created using AI image generation tools. Feedback welcome!

🥁 Tap and Get Happy! A Godly Drum Machine That Sessions with Your Favorite Songs! A super stylish web app where you can enjoy authentic drum performances just by tapping your PC keyboard (A, S, D, F)!

Your imagination sets the world in motion.

昔なつかしいインベーダーに似たアーケードゲーム。 アイテムでパワーアップ。

全10ステージのリバーシゲーム、ミニゲームも複数搭載

無限に成長する三種類の武器を育成しながら撃ち漏らしなく敵を倒し続けるシューティング形式のタワーディフェンス。

死にゲー

It's a quiz game with game mechanics where you think for 1 minute per question and try to get a set number of correct answers. You can also create problem sets.

Mathematical Formula Reasoning Puzzle Game

A neon arcade-style tennis game you can play right away in your browser. Use items to power yourself up or shoot them at your opponent to interfere——a heated 3-point match with strategic mind games. In addition to CPU battles, online battles are also possible.

A browser port of "GunZ: The Duel," an online TPS exclusive to Windows released in 2003. Ranked 1st on a Korean technology sharing site. Ranked 2nd on Japan's technology sharing site Qiita. Porting a commercial game from 20 years ago to a browser with Claude Code with almost no rewriting of the original code https://qiita.com/LostMyCode/items/7597edb999821efd2d8b By making almost no changes to the existing source code and having AI handle 99% of the newly required implementations, what would normally be an overwhelming task requiring years of development was realized in just about 3 weeks.

いつでも手軽に使える永久無料の100+ツール集。ちょっと困ったときの便利アイテムです。

Just a circuit simulator. You can make calculators, games, anything.