Kings must cross the wall to return home.

 Goal: Kings Switch Sides

 Movements:

King, Knight: One block, any direction

Pawn: One block, towards opposite King

 Actions: Knights kill pawns, pawns only kill King.

Turns:

    King and Knight move one space.

    All pawns move one space towards opposite King

    Repeat with other player

If all pawns die before the kings cross the wall, 3 more pawns spawn at end goal.

Endgame: 

Both Kings switch sides successfully, players win.

           Or One King makes it and all pawns are dead, players win.

           Or One or Both Kings die, players lose.