Afterplay

Play retro emulator games for free online, including NES (FC), SNES (SFC), Sega Genesis (MD), Neo Geo, GB, GBA, N64, PS1/PSX and arcade classics! Access the best retro game collection with no downloads required.

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.

A gorgeously designed, visually stunning SBTI personality test that uncovers a more authentic you than MBTI via real-world behavioral scenarios.