This version of Space Invaders DX shows a substantial update, suggesting more significant alterations or added features. The specific details of the 2.6J version (1994/09/14) and F3 designation may reference internal version numbers or specific hardware/software configurations used in arcades. This version likely builds upon prior releases while adding new features, optimizations, or bug fixes.

Space Invaders DX (Ver 2.6J 1994/09/14) (F3 Version)

Space Invaders DX (Japan, v2.0)