The Shadow Man series was developed by Acclaim Studios Teesside and published by Acclaim Entertainment. It was designed by Guy Miller and Simon Phipps and is loosely based on the Shadowman comic book series published by Valiant Comics. The first game was released in 1999 for the Nintendo 64, PlayStation, Dreamcast, and PC. A sequel, entitled Shadow Man: 2econd Coming, was released exclusively for the PlayStation 2 in 2002.
Source: Wikipedia, "Shadow Man (video game)", available under the CC-BY-SA License.