Gaiapolis (ver EAF) is a version of the Gaiapolis arcade game, with 'EAF' likely indicating a specific regional release or hardware revision. The core game most likely involves a city-building, management, or action-based setting, considering the 'polis' suffix indicating a city. More information is needed to describe the gameplay and the company behind the title.

Gaiapolis (ver EAF)

G.I. Joe (World, EB8, prototype?)