Ways to win:

• Capture the enemy flag
• Get your own flag to the last row (and stay there for one turn)

About the pieces:

• The spy is stronger than any other piece except the private
• The private is weaker than any other piece except the spy and the flag
• The flag is weaker than any other piece except when attacking the enemy flag
• Stars > Spokes* > Triangles > Sergeant
• The piece can only move one vertical or horizontal step at a time
• If the pieces are equal, they both get destroyed (except with flags)