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Legend of Love: The Making of The Battle of Olympus

Infinity's Yukio Horimoto explains how his NES cult classic was a literal labor of love.

Interview by Jeremy Parish, .

Originally published November 2015.

The term "cult classic" sounds nice, but it's really something of a double-edged sword. What it really means is that those familiar with that "cult classic" almost universally love it... the problem being that, ultimately, only a small number of people actually do know of it.

By that definition, The Battle of Olympus—a 1988 action role-playing game for the Nintendo Entertainment System—embodies the "cult classic" concept in every sense of the phrase. Avid NES fans hold the open-ended platforming adventure in high regard, but it remains largely unknown to the general gaming population... something that's been true of the game since its debut. But perhaps even more importantly, cult classics tend to be works that result from genuine passion, from a certain spark of inspiration that drives a creator. And this, too, describes The Battle of Olympus. Produced at a time when countless fly-by-night publishers were flooding the Japanese NES (called Family Computer, or Famicom, in Japan) market with quickly made and poorly designed software in order to cash in on the craze for the console as cynically as possible, The Battle of Olympus was a very personal, and very genuine, project for its creators.

Designed with enthusiasm and sincerity, boasting an ambitious scope, exploring an unconventional theme and setting for games, and crafted with impressive technical and artistic accomplishment, The Battle of Olympus should have been a smash hit in any just universe. Instead, it flopped, scuttling its creators' dreams of turning development studio Infinity into a source for original properties and fresh ideas. The company instead spent the following decade working on ventures it knew to be a sure thing: Converting American PC games to niche Japanese computers. Infinity filled an important and valuable niche to be sure, but its highly specific and decidedly one-way focus all but guaranteed that the company would be forever an unknown outside Japan.

Still, Yukio Horimoto—Infinity's president, and Battle of Olympus' programmer and co-designer—speaks with evident pride about the game, even nearly 30 years after its creation. "I have tell you my awesome story," he said with a laugh as we began to discuss Olympus' creation.

Olympus was Infinity's third game, but the young studio's first wholly original title. Their first project, Kieta Princess for Famicom Disk System, had been a contract project based around a popular "idol" actress at the time. That was followed by a PC conversion of a European tennis game for Amiga. Olympus, on the other hand, Horimoto and his small team designed from the ground up. He pitched the project to the publisher he had worked with on Infinity's previous creations, Imagineer, and got the green light.

"We shared the story concept with our client," says Horimoto. "The client liked the story, and he challenged us to create the game—so we made it."

As the title implies, The Battle of Olympus centered around Greek mythology. A loose retelling of the legend of Orpheus and Eurydice, Olympus spanned the breadth of Ancient Greece, from Crete to Mt. Phthia and ultimately into the depths of Hades' underworld realm. While Greek lore wasn't entirely unheard of in NES games—Nintendo's Kid Icarus being the most prominent example—Olympus felt far more faithful to the classical source material than other takes on the setting... even if Eurydice did get the boot in favor of a girl named Helene.

That one name change aside, Olympus followed very much in the footsteps of the original myth—with a few video game twists, of course. Protagonist Orpheus traveled the land of Greece in search of mystical relics that would allow him to retrieve his abducted love from Hades' clutches, consulting with priests and gods themselves for advice on how a mere mortal could possibly hope to best a divine being.

Fittingly, Olympus' Japanese subtitle was "Ai no Densetsu": The Legend of Love. That name fit the circumstances of the game's creation as much as it described the plot. Just as with Kieta Princess, Olympus was the work of a team of merely three people: Horimoto handled design and programming, Reiko Oshida worked on the graphics and story, and Kazuo Sawa composed the soundtrack. Creating a grand, non-linear, action RPG like Olympus was an impressive feat for such a tiny team working on a tight deadline (the production cycle was "maybe half year or so," says Horimoto), but the venture meant a great deal to the core team of Horimoto and Oshida: It was their first creation as a husband-wife team.

"While making our first game, I met [the woman who would become] my wife, and so… well, we got married, and she’s my wife," recalls Horimoto. "We fell in love and wanted to make our own game together, so we talked about the game concept for a long time. I like Greek myths and legends, so we decided to base our game on those legends." He admits, somewhat bashfully, that their romantic infatuation helped shape the direction of the story. "Given those circumstances," he says, "we talked about the game, and our mood influenced it."

In fact, the entire mythic theme turned out be a product of that part of their lives. Horimoto says he doesn't have any sort of lifelong fascination with Greek lore: "Around that time, I'd read some books [on the topic] that had interested me, and we felt that Greek legends would be a good theme for our game. We collected many books about Greece legends [for research]."

Somewhat similarly, the decision to build the plot around the tale of Orpheus emerged not from a particular enthusiasm for that specific story; rather, Horimoto and Oshida chose their protagonist based on the general theme of the game and the need to come up with an excuse to send Orpheus roaming all across the country.

"We drew a map and how he moved on the map," Horimoto says, "and so we need to set up his purpose. His lover's kidnapping made the base of a good story. Many Greek gods were in the story. Setting up the plot was very easy, not difficult at all.

"My wife's role was very important. In a lot of ways, she made it her own story, and I think the dramatic elements [such as the final showdown with Hades] — that's something my wife is good at."

Horimoto credits Infinity's ability to complete such an expansive, story-driven game complete with non-player characters, an inventory system, and multiple currencies and collectibles to the programming tools he developed. To play test games, developers had to write data from an NES development computer to an rewritable ROM format the console could recognize—typically a slow and arduous process. Infinity's custom NES tools reduced time spent waiting for a ROM to burn considerably.

"One thing I'm really proud of is that I made my own assembler," he says. "We had to write programs and then use an assembler to compile assembly language to machine code. While we were working on the game, I made my own custom assembler, because the existing tools were very slow. It was really stressful to create ROM images, and my assembler was, I think, about 10 times faster than others, so I could test my programs more frequently. Before that, when I needed to build a ROM image, it would take 10 minutes or more to write from the hard drive. With my system, it took maybe one minute or so. That was a very good experience."

Another factor that probably helped speed development along was that the team had a direct inspiration to draw upon. Just as Oshida based Olympus' story on Greek myths, Horimoto patterned the game design largely after Zelda II: The Adventure of Link. No Battle of Olympus retrospective is complete without a tongue-wagging reference to its similarity to Nintendo's second Zelda adventure, but Horimoto says the similarity is no secret and no coincidence.

"Quite simply, Nintendo’s Legend of Zelda interested me. It inspired me to make a scrolling platform game. [I looked to Zelda II's] jumping system and walking system, and I imitated them. I wanted to make the same kind of game, and so many parts of the game, like the player's attacking motion, ducking motion, and jumping motion: They were all influenced by The Legend of Zelda."

Olympus isn't strictly a carbon copy of Nintendo's game, of course. It abandons the free-roaming RPG-like overworld map with its random encounters in favor of a simpler point-to-point map, which works greatly in its favor: The overall experience feels less fragmented and more focused than Zelda II. It also manages to be far less opaque and arbitrary in its quest design than its inspiration, presenting players with more clearly stated goals and avoiding shenanigans like forcing players to chop down an entire forest in search of a hidden town.

Even when the similarities are impossible to deny, Olympus attempts to mix things up. Perhaps most notably, it literally flips Zelda II's final battle upside-down: Just as Link had to fight his own shadow, Orpheus can initially only see Hades' shadow on the floor, from the light cast by a mystical artifact you need in order to complete the game. It's a perfect example of how Infinity looked to Zelda II for inspiration but nevertheless put interesting twists on mechanics and concepts that allowed Olympus to stand on its own.

Horimoto says the decision to pattern Olympus after Nintendo's hit was borne of genuine admiration. "Many people like Nintendo's games, and I've always liked them myself. The first [Zelda] was on the Famicom Disk System. I played many, many Disk System games, and the very first one was Legend of Zelda and the horizontal-scrolling Zelda II.

"Nintendo’s quality... they made the best games around those times, and I wanted to make a game of similar quality, too. I didn’t know if I would be able catch up with them, but I put my whole effort into the game. So did my wife. Her challenge was to make the most beautiful game graphics possible, and there's been a lot of praise for her work. All on such a small cartridge—only 16 colors! A very limited environment."

Despite the effort the tiny team poured into Olympus, it performed poorly once it went up for sale. By 1988, the Famicom market was in decline and crowded with games, making it difficult for original software to find an audience. Subsequently, Infinity resumed work on Western game ports, bringing classics like Doom and Populous to Japan, while a Brøderbund-published localization of Olympus found moderate success overseas. (The game evidently did well enough to merit a Europe-exclusive Game Boy conversion programmed by Radical Entertainment, which Horimoto had never heard of until I inquired about it.)

"For almost 20 years or more, I had forgotten all about The Battle of Olympus," says Horimoto. "It's only been recently that I've met people who knew about it." Despite the recent groundswell of fans nostalgic for his classic creation, though, he doesn't seem interested in revisiting it. Currently Infinity's focus is firmly fixed on surviving in the ever-shrinking Japanese market and branching out into overseas offices, which leaves little room for dwelling on the past. He wouldn't be averse to someone else taking up the cause of remaking the game, but he has no desire to be part of the process. "You make it," he says, chuckling.

He does feel, however, that any attempt to revisit Olympus would need massive rebalancing. "I made it too hard!" he laments. "I can’t finish it. When I was developing the game, of course, I finished several times, but now? It’s impossible, yeah. The final boss is awful!"

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Comments 16

  • Avatar for jeffcorry #1 jeffcorry A year ago
    I love this game. It was brought to my attention by a friend during our middle/high school years. This game made a huge impact on me and I hunted it down on Amazon not too many years ago.
    Thank you for this excellent story, I would love to see this game get the attention it deserves on the eShop or...something!
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  • Avatar for VotesForCows #2 VotesForCows A year ago
    Never played this, but fascinating to read about. Funny that even he can't beat it now!
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  • Avatar for Punk1984 #3 Punk1984 A year ago
    I rented this all the time from my local video store. The wonderful gameplay coupled with my new love of Greek Mythology kept it in constant rotation during grade school weekends. I recently found a copy and played through it and was amazed at how enjoyable it was. I feel like I enjoy it more now than I did then and that it out does Zelda II.
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  • Avatar for kevinbowyer34 #4 kevinbowyer34 A year ago
    The first time I got to Tartarus and that music started up I was at a friend's house. All we could do is stare blankly at the screen. Each time it would loop I'd bust out laughing. I don't think I have ever heard chiptune music quite like that before.

    And when I finally beat Hades.... man that was a good feeling.
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  • Avatar for cristianocanguçu26 #5 cristianocanguçu26 A year ago
    I would definetly contribute to a Kickstarter of a remake of this incredible game. I must have rented its cartridge morte than a dozen of times!
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  • Avatar for kidgorilla #6 kidgorilla A year ago
    I was in sixth grade when this came out, and we were just hitting Greek myth in school. Somehow, I convinced my teacher to let me bring in a NES to school so we could play this because it "tied in" to the unit. I was the puppet master.
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  • Avatar for Xemus80 #7 Xemus80 A year ago
    I loved Greek mythology as a kid but, shamefully, I have never played this. I recall that it was never rented out whenever I went to the local video rental store as a kid but I guess the promise of Mega Man / Ninja Gaiden / Mario / What-have-you was too much and my parents were never the type of people to let me rent more than one game at a time.

    My brother had a videogame book called GamePro Hot Tips that included this game as well as a slew of Genesis and Turbo-Grafx 16 games, with short descriptions of each game and a few tips and tricks. I remember coming across BoO and telling myself I would have to play it; like I said, I never got around to it. Maybe it's high time to correct my mistake.
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  • Avatar for StevieWhite #8 StevieWhite A year ago
    The music really is fantastic in Battle of Olympus, and it's interesting to learn that Kazuo Sawa deserves the credit. I think BoO has some of the most menacing boss encounter music of the era.
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  • Avatar for touchofkiel #9 touchofkiel A year ago
    I've only been aware of this because the use of that setting really interests me (hell, I majored in Classics), but this whole backstory behind it was unknown to me. Fantastic read, Mr Parish!
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  • Avatar for CosmosT #10 CosmosT A year ago
    This was my favorite interview of the year. Battle of Olympus is an absolute classic, and the story of the married team that created it is quite touching. That art is just beautiful, particularly the ending credits!

    Like@kidgorilla, I was in 6th grade when it came out and had just started learning about Greek mythology in school. I really enjoyed the topic - think I still have an old copy of Edith Hamilton somewhere. Also, Zelda 2 was one of the first NES games that I owned and really fell in love with, to the point where I prefer it over the original Zelda. Putting both of those interests together, I felt like Battle of Olympus was made for me. I must've seen it previewed in Nintendo Power, because I asked for and received it as a gift when it was brand new.

    I loved it, for all the reasons that Jeremy and the commenters already described. The game is tough: it includes some precision jumps (sometimes with inconveniently-placed birds), a bit of required item farming (for olives, the game's currency), and a confusing Labyrinth (as it should be, right?). However, none of that was too unexpected for an NES game of the time, and if you can handle something like Ninja Gaiden or Castlevania, then you can handle this - it's never punishing to the degree of, say, Battletoads or TMNT. I hope no one's put off by the difficulty; I'd definitely recommend the game, and I hope that this article brings more well-deserved recognition to its creators.
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  • Avatar for jeremy.parish #11 jeremy.parish A year ago
    @CosmosT Thank you! I appreciate the kind words. I was happy with how well this interview turned out—it's a real thrill and a privilege to be able to bring new information about a classic game to light directly from the creator.
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  • Avatar for Daryoon #12 Daryoon A year ago
    I played this as a kid because of my interest in Classical Mythology, and it pretty much started my interest in RPGs (this led to Zelda, Zelda led to Secret of Mana...)

    I'm amused at that last comment on the final boss. I could never beat it as a kid, but when I replayed the game about six months ago, I beat it first time and thought "this isn't nearly as difficult as I remember".
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  • Avatar for gamesunblocker #13 gamesunblocker A year ago
    more or less eastern deep mentality, which must be taken in consideration even in modern life
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  • Avatar for pretzelkins #14 pretzelkins A year ago
    Wow, never thought I'd see a piece this long about Battle of Olympus in 2015. I thought me and my best friend from 2nd grade where the only two people to have played this game.
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  • Avatar for danivega72 #15 danivega72 A year ago
    One of the best nes games, and unfortunately one of the most underrated. The gameplay and the storyline are absolutely brilliant. The music is amazing. One of the best games i bought as a child. thxEdited April 2016 by danivega72
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  • Avatar for anthonycaudill #16 anthonycaudill 7 months ago
    @jeremy.parish do more like this! There's a secret behind many of the games produced in the late 80s/early 90s, the RPGs especially... see if you can sleuth it out.
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