How to play Kings of Bulgaria Puzzle.
There are the art portraits of 20 major kings, made like movable cards on the top of the screen.
In the middle, there are the empty slots with the year of they ruled. Drag and drop the king portraits in the correct place. Asmall icon shows the ruler period. And there is a try counter to use the game as a testing tool for kids.
Know at least 5 kings of Bulgaria.
Winning the game rewards +1 Knowledge Level
from civilization category.
The download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie of Planeta 42 person puzzles YouTube.