Half Life wont load

Hi, im new here.
I just bought a mint condition sega dreamcast from a mom and pop game store for $35 (ive always wanted one ever since I was 4) and it came with all the cords, a memory card, and sonic adventure. I also bought a game called half-life from that store for the dreamcast. I didnt even know it existed for that system XD. It doesnt have any scratches on it but it wont load, just after the sega logo, it stays at a black blank screen. Any help here :S? Thanks.

My dreamcast is a HKT-3020 manufactured in September 1999 and its NTSC-U. I figured id supply that information since I read awhile back some dreamcasts are crazy.

Half Life was never actually released for the Dreamcast, and you have a copy of it that is technically an illegal copy of an unreleased product. Discussion of "backups" (as they are called) is against the rules of this forum.

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