Minecraft 1.52, though not an officially recognized version by Mojang (the developer of Minecraft), seems to refer to a specific iteration of the game that players are interested in. Officially, Minecraft updates are well-documented, but community-made content, mods, or custom game modes might refer to specific versions for compatibility or feature access.
Assuming you have found a link that looks legitimate (e.g., https://example-games.net/mc152/), follow this checklist: unblocked games minecraft 152 link
First, let's dissect the keyword.
Important reality check: You will almost never find a legitimate, full survival-mode Minecraft Java Edition via a simple "unblocked link." Mojang (now Microsoft) aggressively pursues DMCA takedowns of unauthorized web-hosted versions. Therefore, most "Minecraft 152" links lead to Classic clones or voxel-based tributes. Minecraft 1