Here is the full list of all 144 Out of the Park Baseball 21 achievements.
Hit a walk-off HR
Hit for the cycle
Hit a leadoff HR
10 Game RBI Streak
Successfully construct a dynasty for your owner
13 Game RBI Streak
30/30 Player
4 game HR streak
20/20 Player
CG Shutout on under 100 pitches
Record a 12-game win streak
Hit a Grand Slam
Shared Shutout for the team
Throw out 2 runners on the bases
4 SB in a game
3000 Career Wins
20 Game Save Streak
3 extra-base hits in a game
Steal Home
30 Game Hit Streak
Win the championship on a low budget
Come back from a 4 run deficit to win
6 hits in an inning
Record a 16-game win streak
1500 Career Wins
Pitch a shutout
3 DP in a game
10 Game Win Streak
2 HR Game
Walk-off hit
Achieve a solid season score
3 SB in a game
500 Career Wins
9 hits in an inning
Achieve a great season score
Have a player lead the league in ERA
13 Game Run Streak
Achieve a top season score
Complete all goals your owner tasks you with
Win the championship
Have a player lead the league in wins
Reach the post-season
Record an 8-game win streak
Win the MVP
Win the pitcher of the year award
Win the Reliever of the Year award
MVP of the All-star game
Turn a Triple Play
Win the rookie of the year award
Complete an Owner Goal
20 Game Hit Streak
Trade for a recent all-star
4 hit game
5 hit game
Get 5 RBI in a game
Win a silver slugger
Win a fielder of the year award
Win the hitting triple crown
Have a player lead the league in BA
Have a player lead the league in HR
16 Game Run Streak
7 Game RBI Streak
9 Game Run Streak
Have the top vote-getter for the All-Star Game
Score 6 runs in an inning
Score 15 runs in a game
CG with no BB allowed
Win the batter of the month
Win the pitcher of the month
Win the rookie of the month
Bat around in an inning
Have every player in the lineup get a hit
Score 4 runs in a game
6 hit game
3 HR Game
4 HR Game
Score 5 runs in a game
Score 6 or more runs in a game
Get 8 RBI in a game
Get 10 or more RBI in a game
Strike out 10 batters in a game
Strike out 15 batters in a game
Strike out 18 batters in a game
Hit a walk-off Grand Slam
Closer strikes out the side
Pitch a no-hitter
Pitch a perfect game
Score 10 runs in an inning
Score 15 runs in an inning
Score 20 runs in a game
Score 30 runs in a game
Score 10 runs in a shutout
Score 15 runs in a shutout
Score 20 runs in a shutout
Win the pitching triple crown
Trade for a recent MVP winner
Sweep a playoff series
Reach the finals
Win the championship in a sweep
Win the manager of the year award
First Game Win
First Series Sweep
First Quality Start
First Save
First Home Run
First Stolen Base
First Trade
First Free Agent Signing
First Draft Pick
First Contract Extension
First All-Star
First Player of the Week award
6 game HR streak
7 game HR streak
40 Game Hit Streak
50 Game Hit Streak
30 Game Save Streak
40 Game Save Streak
15 Game Win Streak
20 Game Win Streak
40/40 Player
5 DP in a game
6 DP in a game
Combined no-hitter
Throw out 3 runners on the bases
Throw out 4 runners on the bases
Turn an unassisted Triple Play
Throw a 1-hitter
4 extra-base hits in a game
5 extra-base hits in a game
5+ PA with no official AB in a game
9-pitch inning with 3 strikeouts
Achieve a pitching game score of at least 100
Hit for a natural cycle
5 SB in a game
4 strikeout inning
Come back from a 7 run deficit to win
Come back from a 10 run deficit to win
3 HR in an inning
4 HR in an inning
5 HR in an inning
12 hits in an inning
Score every inning
Strand the bases loaded