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