Experience classic penny arcade games in your browser

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。

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

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。

I created a website where you can type FORTRAN-style language into IBM 029 punch cards on your browser and run it! As you type, holes open one by one in the card, and when you submit the deck, the results are printed on an IBM 1403 line printer.

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.

This is a C language execution environment that operates completely offline. While there are many functional limitations, most programs found in introductory textbooks can be executed. Programming learning is possible even on iPad.

Fly through the neon horizon.

ブラウザの端末内でファイルを変換するサイト

You can easily generate ASCII art characters using symbols on a browser. We have prepared 4 types of ASCII fonts. All fonts are original creations.

筆算の手順を教えてくれる算数教材

Your imagination sets the world in motion.

It is a web application that allows you to learn system English vocabulary from a personal computer or smartphone.

ランダムで適当な退職理由を作れます

🥁 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)!

Interactive Magic Using Binary Number System

開帳という昔の遊び。 まぁ言ってしまえばカジノ(ゲーム内通貨で)

[Limited Time Release] Easy Access to Websites!

Task Management ✖︎ Monster Raising 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.

Tap to jump, cliff running game.

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』

自分の実力に合わせてフラッシュ暗算が出来ますよ！

Visualize the in-game time, what time is it now?