Zelter

Dragonsweeper is a free strategy puzzle game that blends classic Minesweeper gameplay with RPG elements. Clear mines, defeat monsters, level up, and embark on an epic adventure to slay evil dragons!

Tap into the full power of large language models for a one-of-a-kind AI-powered survival adventure.

cpstest is a web-based tool for testing mouse click speed, evaluating concentration, measuring reaction speed, and providing fun, focused training.

Simple online tests for reaction time, memory, and focus

自动识别公开牌面、追踪剩余牌，支持斗地主、跑得快、掼蛋，提供 iOS 与 Android 版本。

Experience 3D moon block casting online: watch the two blocks fall naturally and check if you get a holy block, laughing block, or yin block.