Jeremiah Costello

As a Senior Game Designer at Tonies, I develop interactive gameplay experiences for the Toniebox platform, focused on screen-free entertainment for children and families. My work includes licensed adaptations of major Hasbro and Disney properties with a focus on gameplay systems, onboarding design, replayability, and audio-driven interaction design. I work cross-functionally with narrative, audio, engineering, product, and licensing teams to create engaging hybrid experiences that combine storytelling,

American voice actor and voice director with 30+ years of experience across video games, interactive media, commercials, corporate narration, and character performance. Operate a fully equipped professional recording studio, providing broadcast-quality remote recording, live-directed sessions, and voice production services for clients worldwide. Career experience includes thousands of professional voice-over projects across commercial, corporate, interactive, and entertainment media, with 200+ credited

Collaborative game development and co-development initiative supporting cross-studio production, creative partnerships, and external development workflows. • Supported multidisciplinary game development collaborations • Contributed to design direction, production coordination, and partnership development • Worked across co-development and outsourcing initiatives within the games industry

Gamma Minus UG was an independent game development studio focused on original IPs, multiplayer systems, and experimental gameplay experiences across PC and console platforms. As CEO & Lead Designer, I led multidisciplinary teams of up to 25 developers across multiple productions, overseeing creative direction, gameplay systems, pitching, prototyping, and cross-discipline collaboration. Projects developed under Gamma Minus included: • Rough Justice: ’84 — a noir-inspired strategy title blending manageme