The name "Grym Gu..." might be an abbreviation for (which could be a username, modder, or contributor). "Yazan" means "written by" in Turkish, so the text may have been partially written by someone named Yazan, or it's a note about credits.
It looks like you're referencing a visual novel or interactive fiction project, likely titled (version 0.8.2, possibly a test build). Karlsson-s Gambit -v0.8.2 Testi- Yazan- Grym Gu...
The board is set. Karlsson's move was unexpected, and now the pieces are in disarray. You stand in the corridor, the echo of his laughter still ringing in your ears. Trust is a currency you can no longer afford. The name "Grym Gu