Yes. And surprisingly well. On a standard 2020 laptop (Intel i5, 8GB RAM), a WASM port of Minecraft 1.8.8 achieves:
So any “Minecraft 1.8.8 WASM” you see online is likely: minecraft 1.8 8 wasm
: Support for full multiplayer via WebSockets, allowing players to join dedicated Eaglercraft servers. PBR Shaders minecraft 1.8 8 wasm
This fusion—Minecraft 1.8's gameplay fidelity with WASM's speed and safety—lets classic mechanics live fast and portable in modern web ecosystems. minecraft 1.8 8 wasm
A report on the development of follows, focusing on the prominent community project EaglercraftX 1.8.8 which brings the full Java edition experience to web browsers via WebAssembly. Project Overview