NTSC Alternates:

1. Donkey Kong Jr (Alternate) (NTSC) (Atari) (1988) (BE4C67B2).a78
Reference: 
a. https://forums.atariage.com/topic/362781-possible-dk-jr-variant/

2. Double Dragon (OM) (NTSC) (Activision) (1989) (F20773D5).a78 & Rampage (OM) (NTSC) (Activision) (1989) (D2876EE2).a78
-Unswapped the 16K pages content at the 8K boundary.  
-In effect, swapping hi and low 8K on each page as presented with the "(AM)" dumps.

References:
b. https://forums.atariage.com/topic/224038-multicarts-suggestions/?do=findComment&comment=3010709
c. https://forums.atariage.com/topic/329070-activision-banking-scheme/?do=findComment&comment=4978467


3. Winter Games (Alternate) (NTSC) (Atari) (1987) (CF648E88).a78
-Less graphic details in a few areas.
-Fewer sound effects for some events.

References:
d. https://forums.atariage.com/topic/68171-2-versions-of-winter-games/?do=findComment&comment=3709230
e. https://forums.atariage.com/topic/260584-trebors-7800-rom-propack/?do=findComment&comment=3801274

