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