Happy Halloween!
The game and its DLC are on sale for a limited time!
https://store.steampowered.com/app/770370/Adventures_of_Dragon/
https://store.steampowered.com/app/1067680/Adventures_of_Dragon__Space_Battle_weapons/
https://store.steampowered.com/app/1003250/Making_of_Adventures_of_Dragon/
There's also a Special Edition avaivable that contains all three of them together.
https://store.steampowered.com/bundle/15200/Adventures_of_Dragon__Special_Edition/