There is only three modes:
Exhibition is a cut-and-dry one game affair.
Season can be expanded across a full season with your chosen MLB team; you won't be able to tweak player line-ups.
Post-Season, it automatically puts you in the chase for the Pennant. Be sure to check all of these out, as they offer some great fun for baseball players.
Eiyuden Chronicles: Hundred Heroes is designed to bring players a modern take on a classic JRPG experience. Get ready to lead 100+ playable characters through a war-torn world only you can save.