Here is a list showing all major changes in this alpha version. You can get the latest version in the download section at humble bundle after you bought the game.
I hope by adding images to the changelog I can show better what has changed for people not familiar with the state of the game.
Beauty Changes & new Features
- added point light source
- added more cases for ambient occlusion
- added power cable
- added in-game menu
- added one HUD button to switch between editor and gameplay
- added barrier blocks
- added logic blocks (blocks that that work like entities but are blocks)
Further Gameplay
- added tutorial level
- added preview for rails when constructing
- added support for indestructible blocks
Editor
- added alt-click in editor
- added keyboard access via number keys for the editor tools
- added button in main menu to create a new empty map
- added function to load a map from the start game screen
Performance & Stability
- improved loading speed of map chunks
- improved stability
- improved handling of resolution changes
- improved responsiveness when switching between the editor and the game
Nice. Tracking