You can't really cheat, but there are some mods (specifically, Single Player Commands and Too Many Items) that let you give yourself items. There are also inventory editors that let you edit your inventory and give yourself items.
You have comands in minecraft to cheat and they are legal.
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A link to the cheat codes can be found in related links.
You can,t dumbo
t
cheat or get lucky...
You dont, unless you have the single player commands mod. Which i suggest you download. That is, if you want to enter cheat codes in survival mode minecraft.
Yes, go to Bukkit.org and press {Get Plugins} then search Essentials its a hacking cheat
there is 1.3.2/1.3.1 but not 12.2 you can find the cheat list by typeing in the chat /help
press t
You cannot cheat to get emeralds on Minecraft PE. You can find emeralds in Desert Temples, Stronghold Chests and Blacksmith Shops. You can also find world seeds online that have the coordinates for Emerald so you can mine emerald quickly. Emerald is decoration only in Minecraft PE.
There's no such thing as an obsidian sword unless you have mods installed.