Slave Zero(スレイブ ゼロ)and Slave Zero X(スレイブ ゼロ X)are co-published in Japan and Asia by Beep Japan Inc. © 2022-2024 Ziggurat Interactive, Inc. Slave Zero X is developed by Poppy Works. Slave Zero is a trademark of Ziggurat Interactive, Inc. in the United States and other countries. All rights reserved.