I remember level 7 giving me a bitch of a time as a kid. Now? I can ace the whole damn thing, kill nearly everything, and not die once on brutal difficulty. ALL thanks to the mouse input method.
2 player mode. Remap buttons the same, start game, fly to wall until airplanes are very close together... Double fire power, twice as many bombs, multiple weapon combinations possible. Collect items from left or right depending on who needs it. ??? PROFIT!
ALSO: cmd navigate to ds.exe C:\Program Files (x86)\demonstar set MAPMODE=TRUE ds.exe Mapmaker appears. Level>Options>Backdrop GLB name: b_back1 b_back2 etc. IN SM1 and SM2: B_BACKnostar1 B_BACK2