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Hi, I’m Gustav Jarn, a technical game designer with 8+ years of experience in system design, gameplay implementation, and cross-disciplinary collaboration within Unreal Engine. I specialize in weapon systems, mission scripting, and technical problem-solving for FPS and open-world titles. I thrive on turning bold ideas into playable experiences, leading weapon and gadget design, prototyping solutions with other disciplines, and helping shape high-level decisions about game modes and the overall direction of a project.…Hi, I’m Gustav Jarn, a technical game designer with 8+ years of experience in system design, gameplay implementation, and cross-disciplinary collaboration within Unreal Engine. I specialize in weapon systems, mission scripting, and technical problem-solving for FPS and open-world titles. I thrive on turning bold ideas into playable experiences, leading weapon and gadget design, prototyping solutions with other disciplines, and helping shape high-level decisions about game modes and the overall direction of a project.

Gustav Jarn

Game Designer, Designer, Game Developer, +1

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Hi, I’m Gustav Jarn, a technical game designer with 8+ years of experience in system design, gameplay implementation, and cross-disciplinary collaboration within Unreal Engine. I specialize in weapon systems, mission scripting, and technical problem-solving for FPS and open-world titles. I thrive on turning bold ideas into playable experiences, leading weapon and gadget design, prototyping solutions with other disciplines, and helping shape high-level decisions about game modes and the overall direction of a project.…Hi, I’m Gustav Jarn, a technical game designer with 8+ years of experience in system design, gameplay implementation, and cross-disciplinary collaboration within Unreal Engine. I specialize in weapon systems, mission scripting, and technical problem-solving for FPS and open-world titles. I thrive on turning bold ideas into playable experiences, leading weapon and gadget design, prototyping solutions with other disciplines, and helping shape high-level decisions about game modes and the overall direction of a project.

Available to hire

Hi, I’m Gustav Jarn, a technical game designer with 8+ years of experience in system design, gameplay implementation, and cross-disciplinary collaboration within Unreal Engine. I specialize in weapon systems, mission scripting, and technical problem-solving for FPS and open-world titles.

I thrive on turning bold ideas into playable experiences, leading weapon and gadget design, prototyping solutions with other disciplines, and helping shape high-level decisions about game modes and the overall direction of a project.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

Swedish

Fluent

English

Advanced

Work Experience

Technical Game Designer at Fall Damage Studios / Walker Labs

April 2, 2025 - April 2, 2025

Owned the gunplay game loop including gun handling systems and weapon balance. Headed the development of new weapons from prototype to finished state. Designed and prototyped several gadgets, collaborating with other disciplines to bring them to completion. Contributed to high-level design decisions regarding game modes and overall direction of the project.

Mission Designer at Experiment 101

January 1, 2021 - January 1, 2021

Worked on Biomutant as the sole Mission Designer, collaborating closely with artists, animators and coders. Designed and implemented missions for the game world. Created puzzles featuring interactive game objects. Designed and implemented the opening tutorial and all contextual information in the game world.

Junior Game Designer at Fast Travel Games

April 1, 2018 - April 1, 2018

Worked full-time on Apex Construct where my main focus was level design and gameplay implementation. Designed and built all levels that shipped at launch. Scripted AI logic, encounters and puzzle design. Designed and implemented interactive objects in VR.

Level Designer at Teotl Studios

March 1, 2018 - November 12, 2025

Helped develop the final level of The Solus Project before the game’s release.