The Beta 1.3 version specifically captures a pivotal moment in Minecraft history (originally released in February 2011), featuring: Redstone repeaters and three types of slabs.
While you can play it online at various community mirrors, downloading an offline client is the best way to ensure your worlds are safe and playable without an internet connection. Eaglercraft - Free Open Source Browser Minecraft eaglercraft beta 1.3 download
Eaglercraft Beta 1.3 is a unique, fan-made port that brings the nostalgic experience of to modern web browsers . Developed by Lax1dude and later maintained through community archives, this version is celebrated for being the first Eaglercraft port to introduce singleplayer mode . What is Eaglercraft Beta 1.3? The Beta 1