Minecraft Alpha 1.1.1, An Extremely Rare Version, Was Finally Found After 10+ Years Of Searching
GitHub - Founderroni/Minecraft-1.5.2-unblocked: Minecraft 1.5.2 for windows 10, you can even play it at school as it's unblocked. Not created or cracked by me.
Java Edition Classic 0.26 SURVIVAL TEST – Minecraft Wiki