Les Crocs

Les Croks is an uncredited game that appears in Patrick Carpentier rule's collection. Unfortunately, the document is very sparse with information. The only date we can deduce is that the game is older than 1995-2000, the years where the collection was written.

The game is played on an initially empty 6x6 board. Each player has ten pieces (les croks, i.e., the fangs) all marked with a direction (e.g., an arrow).

Rules:

• In a first phase, players take turns dropping a friendly piece on an empty square. 
• Here's a board example after the end of this phase:

• In the second phase, each player picks a friendly piece and can either:
• move it to an adjacent empty square
• move it twice in its forward direction
• rotate it one quarter left or right
  
• capture by replacement in its forward direction, unless the enemy piece is faced towards it
• in the previous board, d6 can capture d5, but e6 and f7 cannot capture each other
• Wins the player that captures all enemy pieces

There is a related game at the same collection, quite probably by the same unnamed author, called La Saga des Croks.

• Here players only drop six pieces each, the other four stay in reserve.
• The capture is changed to emulate reproduction: it is only possible to attack from behind.
• The 'jumped-over' crok is not removed from the game. 
• On the next turn, the attacking crok slides to an adjacent orthogonal empty square without changing orientation, and the player places a new crok from the reserve on any empty square. 
• This new Crok must not be in a 'capture' position.
  
• Wins the player that drops on the board his four pieces initially in reserve.

This second game was also described at Jeux et Stratègie #28 by Michel Brassinne: