Wily and Right's RockBoard Walkthrough

This is a walkthrough of the game Wily and Right's RockBoard: That's Paradise

General
Basic translations:
 * はい: Yes
 * いいえ: No
 * プレイヤー: Player
 * コンピューター: Computer
 * 人: Person
 * マップ: Map
 * ルール: Rule
 * バトルロイヤル: Battle Royal
 * ルーレット: Roulette
 * カード: Card
 * しさん: Property, fortune, assets, ...
 * こうしょう: Negotiations, ...
 * そのた: etc.

Boards
There are four boards, each of which is shaped like a continent: