Eaglercraft is a web-based port of Minecraft. Originally based on Minecraft 1.5.2, it was designed to run entirely within a web browser using JavaScript and WebGL, bypassing the need to install a Java runtime or the official game launcher.
The unblocked version of Eaglercraft 1.21 offers many of the same features as the original game, including: eaglercraft 1.21 unblocked
You’re bored at school/work and want a quick Minecraft fix, or you want to test 1.21 features without buying the game. Eaglercraft is a web-based port of Minecraft