An expansion pack was released five months later called Kyojin no Doshin Kaihō Sensen Chibikko Chikko Daishūgou, which takes a very different perspective of the game, featuring short animated clips that the player can unlock after playing the original game.

Doshin the Giant was upgraded graphically for its re-release on the GameCube in Japan on March 14, 2002, and Europe on September 20, 2002.

As a god game, Doshin the Giant's gameplay revolves around god-like abilities and tasks, such as altering the geography, managing natural disasters or answering prayers from simulated worshippers.

The four native tribes on the island are separated with the color of their clothing (red, green, yellow, blue).

The male natives wear a kilt and hat of their tribe's color, but remain shirtless, also showing outie belly buttons.

[3] There are several threats that also endanger the villagers, such as tornadoes, volcanoes, fires, being crushed by Doshin, and even jealous tribe members named "Naughties".

[4][3] An album stores photographic snapshots of the gameplay itself, and the player can examine a monument gallery closely for more information.

[4] In the GameCube version, completing the game unlocks a "New Map" option with various islands and various themed layouts and textures.

[3] Developer Kazutoshi Iida notes "the sheer simplicity of the user-interface, as the game can be played without numbers or letters".

He added, "Mr. Shigeru Miyamoto from Nintendo has said that computer games incorporate a world-wide common language, and Doshin illustrates this very clearly.

The GameCube version has an additional portion after this ending, with new islanders building a large rocket that blasts them up into space.

[9] Iida moved on to a company called Umigame Bunko, translated as Sea Turtle Library, and worked with Marvelous Entertainment on Discipline for WiiWare.

[9] Doshin the Giant was first publicly displayed at Nintendo's Space World '99 trade show on August 27–29, 1999.

[14] Developer Kazutoshi Iida recalled a "continuous line of people queued to use the eight playable test units, and the 'Large Screen Experience'".

[15] Drew Mackie of the Singing Mountain podcast noted the game for its "trippy tropicalia" soundtrack and said it was "worth a second look".

[16] Kyojin no Doshin Kaihō Sensen Chibikko Chikko Daishūgō[b] is a 64DD expansion to the original, released on June 30, 2000.

The main objective of the game is to watch the 17 mini black and white movies collectively titled More Than Giant.

[17] The player must repeatedly go back and forth between the two disks to verify that monuments were built in game 1, and to complete tasks that the "Queen Companions" request of them.