Gunparade March (2000) - allies who live and die on their own, and a game that won a science fiction prize

Released on September 28, 2000, for the PlayStation

Hello, this is Toki. Episode 67 of "Today Is Release Day." Today's game vanished from store shelves without advertising, on word of mouth alone.

Gunparade March was developed by Alfa System and released by Sony Computer Entertainment on September 28, 2000. The platform was the original PlayStation. Today it turns exactly 26.

It is set in a Japan at war with creatures called Genju. You play one of the student soldiers. Combat and school life alternate.From the thumbnail of "Gunparade March let's play, part 1" (Nishimino Hachijuhachinin-shu, YouTube)

The unusual part is that every ally thinks and acts on their own. They do not move to suit the plot.

The allies' AI was modeled on an ant colony

The heart of this game is an AI called Karel. The version running here was Karel 2.

Its model was ant society. A single ant is not clever. Gather enough of them and a colony appears. This approach is called colony-type AI.

The platoon has 22 members. They act on their own schedule. Who you grow close to, and who dies, is not decided in advance. Death is permanent.From the thumbnail of "Gunparade March let's play, part 34" (Nishimino Hachijuhachinin-shu, YouTube)

The team studied player behavior statistically. Then they removed the "flags" that earlier RPGs relied on.

The plan was one year of development. It slipped by three more, ending at roughly four years. The game arrived at the very end of the first PlayStation's life.

How it landed - off the shelves, and onto a science fiction prize list

It did not explode at launch. It kept selling slowly and became a smash hit.

Eventually copies disappeared from stores. GAME Watch reports that people in the industry were complaining they could not get hold of it.

The awards make a striking lineup. On March 29, 2001, it took an Award for Excellence at the 5th Japan Game Awards. The grand prize went to Phantasy Star Online. The other Awards for Excellence went to The Legend of Zelda: Majora's Mask, Dragon Quest VII and Final Fantasy IX.

Then, in August 2001, it won the Seiun Award in the media category at the 32nd Japan Science Fiction Convention. That is not a games prize; it is voted by science fiction fans. The same year it also won the game category of the 3rd SF Online Awards.

When 13 Sentinels: Aegis Rim was nominated for a Seiun Award in 2020, Denfaminicogamer asked whether it would become "the next video game winner after Gunparade March." For a long stretch, this was the only game to have taken that prize.

26 years on, Karel is still being updated

A Game Archives version is available today, playable on PSP and PS3. On PSP, extra downloadable data lets you control all 22 members.

Game designer Yuri Shibamura has kept building Karel since. His 2023 juvenile RPG LOOP8 also uses a colony-type AI, and that same year he gave a talk at CEDEC+KYUSHU titled "Colony-type AI in LOOP8 and how it is operated."

An idea from 26 years ago is still in service and still being revised. When you dig through old games, a line that keeps running like this is rare.

The video below is episode one of a let's play. How the school sections actually move is easier to see than to read about.

Let me write the year down: 2000

September 28, 2000. If I do not write the year down like this, the article never feels finished. Today, September 28, 2026, makes exactly 26 years.

What interests me is that it spread by word of mouth rather than advertising. Something inside that platoon made people want to tell someone else about it.

Allies live on their own and die on their own. That turns out to be more tellable than a well-written story. Probably the same reason a science fiction jury turned its head.

Is there a game whose release date you still remember?