It's kind of like chess, but your pieces change ownership as soon as you attack with them.

Publication History
Martian Chess was first published in 1996, in a booklet of 5 new pyramid games called More Icehouse Games.
Martian Chess is one of the 4 games featured in 1999's Icehouse: The Martian Chess Set.
Martian Chess is one of 12 games featured in Playing with Pyramids, published in 2002.
Martian Chess was one of the 3 games in the small booklet, 3HOUSE, published in 2007.
Martian Chess was included in Pyramid Primer #1. The rules from that version are still availble in this PDF.
Martian Chess is one of the 22 games featured in Pyramid Arcade.