Hidden all around the game are players that you can scout in the capsule machines, but only if you give them a password that can't be found inside the game. Here are all the passwords and who to use them for.

Password	Effect
Broomstick	Unlock the first character of three Halloween characters on the bottom centre of Condor Stadium's second floor.
Buildadeck	Unlock the character next to the capsule machine in the shopping area of the Japanese camp.
Elements	Unlock the character on the top right of the Football Frontier International stadium car park.
Followrules	Unlock the character inside the main raisin building at the very left of the ground floor.
Football	Unlock the second character (Aurelia) of two Raimon characters at the bar in the Maid Cafe in Northern Tokyo's Shopping Area.
Fullhouse	Unlock the last character in the side street screen of the Brazilian camp.
Fullmoon	Unlock the last character of three Halloween characters under the bridge on the route to Hydra Stadium.
Gungnir, Epsilon, Dave, Kyoto, Gaia	Recruit Dvalin (Dave Quagmire) who appears randomly on the left path of the pitch at Mary Times.
Letsplay	Unlock the first character (Andy) of two Raimon characters on the top of the stairs of the Magic Moves/Kool Kit in the English Camp.
William	Recruit Isaac Glass (willy's brother) in the middle of the pitch at cloister divinity (Kyoto)
Word, ends well, believe, merrier	Recruit Janus (Jordan Greenway) who appears randomly in the mud pitch.
Wrappedup	Unlock the second character of three Halloween characters on the right side of the bridge in the route to Peacock Stadium.