Thunder Force III

Thunder Force III was originally developed by Technosoft for the Sega Genesis (Mega Drive) in 1990, then adapted into the arcade game Thunder Force AC. Thunder Force AC was subsequently ported to the Super Nintendo as Thunder Spirits in 1991, giving the game a presence on Nintendo's console as well.

Thunder Force III features a selectable weapon system where players collect power-ups for different armaments—including the Twin Shot forward laser, the Rear shot, and the powerful Wave beam—and can cycle between them during gameplay. Getting hit by an enemy downgrades your current weapon level rather than immediately costing a life.

Thunder Force III is generally regarded as more accessible than its sequel, Thunder Force IV (released as Lightening Force on the Genesis in 1992), which significantly ramps up difficulty with denser enemy patterns and more complex stage layouts. Both were developed by Technosoft and are considered among the premier shoot-'em-ups on the Genesis platform.

Yes, one of Thunder Force III's notable design features is a stage-select map that lets players choose the order of the first several stages before proceeding to the later mandatory levels. This was a departure from the strictly linear stage progression of Thunder Force II and added replay variety.