Sayonara Wild Hearts is, at heart, a simple arcade game, controlled with a directional input and a button. Each level is a song on a pop album soundtrack, and while not being a rhythm game, it follows the ebbs and flows of each track. Throughout the game, you control a character called “The Fool”, often on her bike at breakneck speeds, sometimes on a skateboard, in a car, or even flying on a sword, as she makes her way through levels, to find and defeat other bikers in a mysterious universe inspired by tarot cards. The action constantly shifts, and the camera follows the action automatically, and dynamically. Sometimes, button prompts appear, and players must time their button presses to perform actions like jumps, sword strikes and punches. Sayonara Wild Hearts is also a soup made of pop-culture. It’s the teddygirls sub-culture, cafe racers, OutRun, Carly Rae Jepsen, Rez, WarioWare, Blümchen, the 1950s, modern dance, Akira, F-Zero, Space Harrier, Sia, the 1980s, Sailor Moon, Ouendan, Tron, Rhythm Tengoku, Punch Out and a good portion of mysticism stuffed into a blender.

It all started with a drawing of a woman wearing a mask and some thoughts that had been bubbling for a while. After making three slow and thinky games, it was time to make something action-filled. Something that was more gut than brain. Something that’d be thrilling, and fill you with euphoria, like a good pop song. We wanted to make a video game that was unashamed of being a video game.

We also wanted to explore how to design a 3D action game that felt as spectacular and cinematic as a modern blockbuster game, but with the simplicity and nimbleness of the games we grew up with: the arcade games which never needed more than one button and four directions to feel amazing in your hands. Sayonara Wild Hearts was, then, born as a protest against video games becoming uninviting. Why are we actively pushing people out of this medium? Why can’t there be great looking 3D games, not operated by 12 buttons and 2 sticks simultaneously? Why can’t there be awesome action games without convoluted systems? And, most importantly: Why do we keep on putting the same type of characters in them? The answer to these questions became the seed for Sayonara Wild Hearts, an action game that would feel inviting, without compromising what makes an action game good: the thrill. A game that could be enjoyed equally by people who play videogames all the time and people who have no interest, or are even scared to play video games. We wanted that game to constantly throw new surprises at you, without having to explain new control schemes, mechanics or systems.

Simon had been drawing characters inspired by the Teddygirl culture for a while. We got in touch with our former colleague Carl Karjalainen, and showed him some early concepts to see if he was interested in modelling, rigging and animating a character or two for a prototype. He agreed, and ended up staying for the entire project, modelling and rigging all characters, as well as creating every single character animation in the game.

We started to make a prototype featuring masked biker gangs based on tarot cards. The vibe was dark, mysterious, and inspired by Lord Huron’s song The World Ender. But the project would soon take a big turn, as a playlist of up-beat pop music came on while playing the prototype. Suddenly, we had a new vision for the game, and in just one day, it was decided that it was to become a fusion of a pop album and a video game.

For about a year, we had gotten e-mails from Annapurna Interactive, and had politely tried to decline any meetings as we had no interest in working with a publisher at the time, but the e-mails kept coming and as they were in town for the Nordic Game Conference 2016 we invited them to our office to see the first level of Sayonara Wild Hearts, which had taken close to year to make. There was a good connection between us and the team at Annapurna Interactive, and Sayonara Wild Hearts had grown significantly, so perhaps having a publisher was not a bad idea after all, we thought. We really enjoyed working together with them on this project. It also made it possible for us to expand the team with the programmers Magnus Jensen, who has worked with us full time since then, and Björn Persson, who helped building the 2D level “The World We Knew”, as well as a 2D effect system and the touch controls for iOS devices, among other things.

As a project, Sayonara Wild Hearts was filled with strange events, star aligning and surprises (both welcome and unwelcome). One of the unanticipated things was having Queen Latifah as the narrator, which happened very late in the project—in fact, it was the last addition of the entire production.

The game was a big challenge for us, and took over four years to create. It was first revealed for Nintendo Switch, and became part of the Apple Arcade platform launch. It was initially released on Nintendo Switch, PlayStation 4 and Apple Arcade (iPhone/iPad/Mac/Apple TV) September 19th 2019. After the launch, we ported the game to PC/Windows and Xbox One. It released on Steam December 12th 2019, and on Xbox One February 25th 2020. Since August 15th 2024 the game is no longer available on Apple Arcade.

More than five years after its initial release, February 24th 2025, we released a PlayStation 5 version of the game. Due to the fast loading of the PlayStation 5 we could implement a long lost game mode we had initially planned for the original release of the game.

The characters were established early, but the environment and settings took long to get right. As the music shifted from dark and mysterious, the visuals had to follow. We decided to make the game vibrant and highly saturated, in hues of purple and pink. Only the characters use traditional lighting, while the environments are not lit at all. Instead, they depend on a depth fog.

Our workflow for the environments was tedious, but got faster as we got further into the project. The different settings use different methods, combining tiles, special tiles, and completely custom built and placed geometry. In hindsight, making the level creation more systems-based would have saved us a lot of time, but would perhaps have compromised the vision of the game, which was to constantly throw surprises at the player.

Each level in Sayonara Wild Hearts is, simplified, actually an animation, with a road surface and lots of values attached to it. The master level animation defines every event, the camera, visual changes, where the characters are on the road at a specific time: every imaginable value can be animated in the levels.

Åsa Wallander had previously designed the Simogo logo and the DEVICE 6 logo. She joined the team to create all of the 2D art for the game, including promotion materials like a tarot card deck, covers for the vinyl album, and the box art for the physical edition of the game, which was produced by iam8bit. To promote the game, we created wallpapers, inspired by the box art.

Sayonara Wild Hearts was first shown at The Game Awards in 2018, where it was the first trailer of the entire show. To promote its release, Annapurna Interactive created a music video for the song “Wild Hearts Never Die”.

While playing an early prototype of Sayonara Wild Hearts, a playlist with energetic electronic pop music was on in the background, and somehow, what was happening on the screen married perfectly to what was happening from the speakers in the room. It couldn’t have taken more than one day, until we asked Jonathan to start writing pop songs about heartbreak, and Daniel to arrange them with a vibrant electric production. A year earlier, we had approached artist Linnea Olsson after a record store gig here in town, and told her that she should get in touch if she ever wanted to make music for a game. A year later, with an almost unbelievable amount of star alignment, an email popped up from her, just as we were looking for a singer for the first song of the game. And so, it seemed that we had suddenly put together a pop band.

During the project, we made a lot of tests, demos and ended up throwing away a lot of material. We collected all of these on a cassette and sold it through Annapurna Interactive’s online shop. It’s sold out, but someone uploaded the entire cassette to Youtube.

The soundtrack to Sayonara Wild Hearts by Daniel Olsén, Jonathan Eng and Linnea Olsson is available most places where you stream or buy music. For example Spotify. We also released the soundtrack physically on a double vinyl record, via iam8bit, but it is currently sold out.