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BACK 4 BLOOD © Turtle Rock Studios, Inc. All Rights Reserved. BACK 4 BLOOD and the BACK 4 BLOOD logo are the trademarks and/or registered trademarks of Slamfire, Inc. throughout the world. Turtle Rock Studios and the Turtle Rock Studios logo are the trademarks and/or registered trademarks of Turtle Rock Studios, Inc. throughout the world. Published by WB Games Inc.