Create a shortcut on the desktop by right-clicking, pressing new, then shortcut.
Paste this into the location box: "%PROGRAMFILES%\Steam\steamapps\common\Blockland\Blockland.exe" ptlaaxobimwroe -dedicated -map skylands
if it gives you an error then try pasting this instead: "%PROGRAMFILES(x86)%\Steam\steamapps\common\Blockland\Blockland.exe" ptlaaxobimwroe -dedicated -map skylands
After successful continue the wizard until done, then open the shortcut.