Beginning in 1984, R. Talsorian
published three editions of its anime-inspired science fiction game: the original "white box" Mekton
, the 1987 Cyberpunk
-compatible Mekton II
, and 1995's Mekton Zeta
. In all three edition of the game, player characters use giant robotic mecha
to defend the planet Algol from alien invaders.