Education

「ぐんまのやぼう」は、 特産品を収穫して「G」を稼ぎ、 全ての都道府県を制圧して、群馬県にすることを目標とするゲームです。

Math has come to attack the peaceful city of Multiplicity! Solve arithmetic problems in this top-down 2D shooter mixed with a plethora of minigames. Practice math on your own terms; challenge yourself or relax with flexible difficulty settings.

Card count coach is a blackjack trainer that's actually fun. Master the math and find your edge.

Go back 10 years — could you get rich? 2015→2025, ten real years of stocks. Each year, read the news, invest once, and see your gains a year later. COVID, the AI boom, meme-stock mania — real events swing your returns. 5-minute runs, multiple endings. Korea & US markets, in KO/EN.

Build your business empire from company registration to IPO. Trade stocks with sector rotation, invest in residential and commercial real estate, navigate hundreds of life events, master acquisitions, VC financing, and banking. New Game+ with progress carryover. Every decision shapes your legacy.

A cozy rope-cutting puzzle with a sly little twist. Swipe to snip the ropes and set the tied-up birds free — but slip up and free an eagle, and it'll bite back.

A typing-based language learning game with WarioWare-style quick mini-games, spaced repetition, and built-in mnemonics — fun even if you already know the language, with secret advanced modes for dedicated learners.

Premium, distraction-free Sudoku: no ads, no accounts, no internet. Five grid sizes from 4×4 to 25×25, deterministic seeded puzzles, full keyboard, mouse and touch support, and a high-contrast, colorblind-friendly design. Buy once, own it forever.

A falling-sand sandbox built on the **real periodic table**. Every element has genuine physical properties, and reactions emerge from real chemistry — rust iron, ignite thermite, run a galvanic cell, split a uranium pile to criticality. Discover it all in an encyclopedia that fills as you play.

GameLaunchSimulator is a text-based management sim about the full journey of publishing an indie game. Build your studio, plan new projects, prepare store pages, grow wishlists, handle reviews, release windows, publishing deals, and post-launch operations, then bring an unknown game to real players.

MindTesting is a series of minigames focused on cognitive abilities such as reaction, memory and timing

Explore strange worlds, solve puzzles, and defend Earth from vegetable invaders — all while sharpening your multiplication skills. A single-player adventure from classroom to the stars.