Here’s a concise guide for using an with Eaglercraft (2021 browser-based version) .
An XRay texture pack, in standard Minecraft , works by altering the game's block textures. Instead of rendering a full, opaque texture for stone, dirt, or gravel, an XRay pack makes these "common" blocks transparent or semi-transparent. Valuable ores like diamond, gold, and iron are left with bright, opaque textures. When a player equips this pack, the world visually collapses; all non-ores vanish, leaving floating patches of color that are easily mined. The "188" in the search query likely refers to a specific version, a file size (1.88 MB), or a popular upload identifier from a Minecraft forum post circa 2021, signifying a known stable build compatible with Eaglercraft’s modified rendering engine. xray texture pack 188 eaglercraft 2021