We've released an update, Steel Castle 1.1. This small update includes some features and fixes to the game.

Changelog:

• Updated main menu, including a new music
• Added credits option to main menu
• Added volumetric lighting effects
• Added quality preset selection to the options menu
  Low quality option disables most heavy post-processing effects including the new volumetric lighting
• Minor bug fixes

Along with this update we've also released the Steel Castle Soundtrack including 5 tracks made for the game by Tero Salmela.