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