Creepy Jar

Creepy Jar is a Warsaw-based game developer specialising in survival simulation and base-building games. Its titles include Green Hell, a survival simulation set in the Amazonian rainforest, and StarRupture, a sci-fi survival game that entered Early Access on Steam on 6 January 2026.

The studio develops original titles for PC and consoles and sells them to players through platforms such as Steam, PlayStation and Xbox. The company's website reports Green Hell sales above 4.5 million copies across those platforms, and its revenue comes from game sales.

The company was founded in 2017 and is registered as a joint-stock company (S.A.) with its headquarters in Warsaw. The website states that the team has more than 60 people and is supported by external specialists for music, story and outsourced graphic work. The company currently lists an open UI Programmer position in Warsaw, alongside a general open application option.

Product: Survival and base-building video games (Green Hell, StarRupture) for PC, PlayStation and Xbox, sold mainly through Steam.