• All pieces can jump over friendly units.
• Rock crushes Lizard and Scissors and steps one square in any direction.
• Scissors decapitates Lizard and cuts Paper, moves any number of squares on a diagonal.
• Paper covers Rock and disproves Spock, slides any number of squares along the row or column.
• Lizard eats Paper and poisons Spock, can slide any number of squares in any direction.
• Spock moves like an `L`, two squares one way and one the other and can jump to non empty square.
• The piece captured by Spock promotes to friendly unit on the starting square:
  - Spock promotes to Rock
  - Rock promotes to Scissors
  - Scissors promotes to Lizard
  - Lizard promotes to Paper
  - and Paper promotes to Spock
• You will loss if you lose Spock

See Video: https://www.youtube.com/watch?v=YfKIkjv4zwQ