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