Flip Chess is a free and open source Chinese chess flipping game.
Rules of the game:
When the game starts, click on the blank pieces
Turn it into a red pawn or a black pawn
Each pawn has its own level
7 > 6 > 5 > 4 > 3 > 2 > 1
Generally, higher level pieces can eat adjacent pieces
7 > 6 ,7 > 5
However, only a level 1 piece can eat a level 7 pawn
1 > 7