The company was founded as Particle Systems by Glyn Williams and Michael Powell.

Games developed by Particle Systems include I-War and its sequel Independence War 2: Edge of Chaos.

The company was working on tactical combat game EXO, when it was acquired by Argonaut Games in January 2002[1] and became Argonaut Sheffield.

Under this new guise the company released Bionicle, Power Drome and submitted a number of demos for Star Wars, Charlie and the Chocolate Factory and Zorro.

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