Tecmo Jo:
To unlock Tecmo Jo, win the Tecmo Bowl while getting 2,000 rushing yards in a season.
Bonus player ability points:
To receive extra ability points, win the Tecmo Bowl while remaining undefeated in your first season.
Original Tecmo Bowl music:
To unlock the original Tecmo Bowl music, win the Tecmo Bowl while remaining undefeated in your first season.