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Koshien Baseball
Koshien Baseball
Sep 02,2026
App Name Koshien Baseball
Developer koji(栄冠にゃいんの人)
Category Sports
Size 90.7 MB
Latest Version 2.1.12
Available on
4.8
Download(90.7 MB)

Experience a dramatic high school baseball simulation! Cultivate unique players with distinct personalities!

# Game Outline

My love for baseball games began in childhood, leading me to create this high school baseball simulation focused on the most enjoyable aspects of the sport.

The goal is to develop players as unique and memorable as the protagonists in baseball manga.

The game offers a well-balanced experience in hitting, defense, and power, regardless of your development focus.

We've integrated cool background music and dramatic voice lines for clutch hits to heighten the excitement.

This game brings all those elements to life.

Become the manager of a high school baseball team and nurture players with unique traits—like a pitcher with a wild fastball but poor control—as you aim to win the prefectural tournament and conquer the national championship at Koshien.

This is a "dramatic high school baseball simulation" designed for players who enjoy pure strategy and development, with no gacha mechanics.

# How to play

Develop your players by directing their training.

Fielders can train in contact, power, speed, defense, and intelligence, while pitchers work on their fastball, breaking balls, control, and stamina.

Create a personalized development plan that fits each player's individual characteristics.

The players are full of personality, and their journeys feature intense episodes, such as:

A genius pitcher overcomes the yips to rediscover his talent!

A complete beginner (all G-rank stats) focuses solely on hitting and earns a starting spot by his junior year!

Furthermore, the game balance has been refined using data from our development period, ensuring there's no single "must-win" strategy for player development.

(We've incorporated extensive feedback from dedicated players to eliminate any overpowered methods.)

So, discover your own approach to training and build a team of standout individuals.

Training progresses monthly, with Koshien qualifiers in July and September. Winning the qualifiers earns your team a spot at Koshien.

Before each game, set your batting order and defensive lineup.

During games, you'll coach the team and call tactics.

You can instruct plays like bunts, stolen bases, squeezes, hit-and-runs, and aggressive leads.

The game considers detailed baseball situations, such as how the defense shifts with runners on base, allowing for deep tactical decisions.

To visualize this, we display animations for batted ball trajectories and defensive plays.

During critical moments, your teammates' passionate cheers appear on screen, and dramatic cut-ins with decisive lines intensify the atmosphere.

Set in high school baseball, your senior players will retire after the summer tournament.

We are planning a "User Koshien" feature (not in the current version) where user teams can compete in tournaments, using team data saved just before their third-year students retire.

We also plan to host official User Koshien tournaments.

# Report a request or problem

You can report a request or problem anytime by clicking the "Report" button on the left edge of the screen.

As a solo developer, my responses may sometimes be delayed, but every request and bug report you send is carefully reviewed and informs future development.

This game was previously released on Windows and has been continuously improved over the years based on user feedback (we've addressed over 100 requests in total).

# Windows version

A Windows version of this game is also available.

https://basebollgame.blogspot.com/

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