1. Monster Party (NES) vs. R-Types (PSX)

Monster Party.

2. Super Mario Land (GB) vs. Oddword: Abe's Exoddus (PSX)

Pass. (I have not played both games)

3. Maniac Mansion (NES/PC) vs. ActRaiser (SNES)

Maniac Mansion.

4. The Legend of Zelda: A Link to the Past (SNES) vs. DuckTales (NES)

The Legend of zelda : A Link to the Past.