sts-39 Launch, Discovery (April 28, 1991)
sts 39 Mission: Department of Defense, AFP-675; IBSS; SPAS-II Space Shuttle: Discovery Launch Pad: 39A Launch Weight: 247373 pounds Launched ...
gradius/ グラディウス special bonus stages - pc engine (1991)
This vid shows 4 special stages of the pc engine's Gradius. Although I'm not 100% certain what each needs, some of these need certain ...