Game Boy Wars 3 is the third and final game of the Game Boy Wars series. It was released in 2001 for the Game Boy Color. It was a Japan only game.
It plays very similar to the other Game Boy Wars games. Due to being released on the Game Boy Color, the game has a wider palette of colors. There is a new campaign mode in the game. There are 45 maps in the campaign. Unit's can gain experience points when in the campaign mode. After the unit has a certain amount of experience your unit can gain an promotion.