You have to buy the key for 19.95 USD.
There is no free key. You will have to buy a key for $20.
Download the demo at blockland.us
A Demo Version of Blockland is avalible to download, but it is very limited.If you would like to remove the said limits you can buy a Blockland Key from the website found here: http://blockland.us
Blockland generate key online: infiles.org/blockland/
that is exactly what I want to really know step by step
You don't, you either buy the game or play singleplayer on the demo.
You cannot get a key to Blockland without buying it.
Generate key online: infiles.org/blockland/
No it doesn't. Blockland is the one that needs the key. You have to buy it to get the key.
Generate Key Online: infiles.org/blockland/
In order to get the key, you must first buy Blockland.
You can not unless you have the full version