If you are curious about what features will be available in Space Engineers on October 23, 2013, please visit the Features page for more details:
SpaceEngineersGame.com
Space Engineers is in alpha stage of development - this means that the game is still under development and will be improved on a regular basis through updates that add and polish features and content, optimizations and bug fixes.
Everything in the game is subject to change
GREAT!! how much will it be?