Here is the full list of all 46 Legend Bowl achievements worth 1,000 gamerscore.
Score 100 field goals
Intercept first pass
Run over 200 yards in a game with a player
Win an Exhibition game
Lose an Exhibition game
Lead the league in tackles at the end of the season
Earn more than $1500 in a season
Throw for over 400 yards in a game with a player
While editing a team, increase all of one player's skills to 99
Score 50 field goals
Create your first coach
Punt a ball within 5 yards of the end zone
Play a 4 player co-op game
First injured player in a season
Lead the league in least number of yards allowed at the end of the season
Complete Tutorial mode
Play 30 or more tournaments
Kick a 60 yard field goal
Get shut out in a game
Lead the league in passing yards at the end of the season
Play 30 or more seasons
Complete over 75% of passes in a game with a player
Win 100 games
Score first touchdown
Score 100 touchdowns
Complete a game without helmets
Edit your first player
Catch for over 150 yards in a game with a player
Win a game in overtime
Lead the league in most offensive total yards at the end of the season
Finish a Season undefeated including Playoffs and Legend Bowl
Design your first team uniform
Compete a game without letting your opponent score
Make the Playoffs with any team in a season
Build 5 rehab facilities in a season
Lead the league in receiving yards at the end of the season
Lead the league in sacks at the end of the season
Sell your very first facility in a season
Build 5 stadium facilities in a season
Win your first Tournament
Build 5 training facilities in a season
Complete a perfect season without losing a game
Score 50 touchdowns
Miss first extra point
Play any training camp mode
Lead the league in rushing yards at the end of the season