"PEAK: Viral Climbing Game Born from Korea's Month-Long Game Jam"

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PEAK is a 4-week game jam that outsold developer Landfall’s other hit titles. Read on to learn more about how two studios came together to create this viral sensation and achieve massive success.

PEAK’s Breakout Success

Created Out of "Jealousy"

PEAK is a wildly popular co-op climbing game born from the collaboration between Aggro Crab (Another Crab’s Treasure) and Landfall (Content Warning). The idea was fueled in part by a bit of friendly jealousy after Content Warning's rapid development and success.

The joint team operated under the playful name Landcrab, and for four intense weeks, they holed up in an Airbnb in South Korea to bring PEAK to life.

As Aggro Crab founder Nick Kaman revealed in an interview with PC Gamer on June 25, the team was stunned when they learned Content Warning was built in just one month. He said, “At the time we were on the precipice of launching our biggest game ever, Another Crab’s Treasure—an intense 3+ year-long project that burnt a lot of us out. While it was a success, Content Warning was a much bigger one made in MUCH less time.”

A Unique Collaboration

Aggro Crab and Landfall already shared a positive working relationship, so when Kaman proposed a collaboration, the response was immediate and enthusiastic. In February, three developers from Aggro Crab joined forces with four members from Landfall to work on PEAK in Korea.

Kaman described the experience: “We brought our computers to an Airbnb in Hongdae and locked tf in for a month.”

Interestingly, the original concept for PEAK was pitched nearly a year earlier by Aggro Crab Creative Director Caelan Rashby-Pollock while he was relaxing in a hot tub in Sweden.

He recalled, “The concept was a lot more vague then and much closer to an open-world survival thingy, but we all quickly got excited about being a group of lost scouts on an island, and the macabre slapstick that can come from that.”

Immersed in Development

Once the teams were fully committed to the project, there was no turning back. As Kaman noted, “Basically any given moment was either working on Peak or getting food while talking more about Peak.”

Although the project was extremely demanding, the developers agreed it was also one of the most enjoyable experiences of their careers.

Despite its unexpected popularity, the creators have stated in the game’s FAQs that there are currently no plans to expand PEAK. Both studios are focusing on their respective upcoming projects, though they continue to roll out bug fixes and minor updates to support the existing player base.

One Million Copies Sold in Just 6 Days

Just six days after launch, PEAK achieved a major commercial milestone. On June 22, developer Aggro Crab took to Twitter (X) to share the exciting news:

“why did this stupid jam game sell more copies than another crabs treasure im gonna crash out.”

The tweet not only reflected the team’s surprise but also confirmed that PEAK had outsold their previous title, Another Crab’s Treasure, in record time.

Currently sitting as the second top-selling game on Steam, PEAK has earned a “Very Positive” review rating on the platform.

According to SteamDB, the game reached an impressive peak of 102,799 concurrent players, further solidifying its status as one of the year’s breakout hits.

At Game8, we awarded PEAK a score of 76 out of 100, praising its tight mechanics, clever co-op design, and uniquely challenging biomes. While the game does experience occasional bugs and server issues, its charm, humor, and accessible price point make it a standout title in the indie space.

Want to read our full thoughts on PEAK? Check out our detailed review below!

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