Chiisana Oukoku Erutoria (also known as Chiichi na Oukoku Erutoria) is a 2D RPG game in which the player takes the role of a young knight that is trying to find a bride. To make his kingdom more important he have to find the legendary sword, and talking to different people will give him clues about where the sword can be find.

During the game the player will meet different people (specially girls and if you become friends of them their territories will join your kingdom).

The game is divided into 2 different kinds: A strategy part in which the player choose what have to be done in the town (cut trees, build new buildings, harvest, loan money, etc.) and the quests part that will give you money or meet new people that will open other quests. In the quests the battle part is a turn based rpg style, since the player can choose what their character will do in each turn.

During the game the town will grow and also will grow the population with new buildings like a school, a hospital or a museum. The game features 17 different female characters to become friend or even lovers, depending of the player actions there are different endings.