Complex sentence: On August 1,2000, Loki Software announced an exclusive agreement with Epic Games to maintain and support the Linux version of "Unreal Tournament", offering new features, addressing any technical issues and achieving revision parity with the Windows version.
Split into simpler sentences: On August 1,2000, Loki Software announced an exclusive agreement with Epic Games to maintain and support the Linux version of "Unreal Tournament". Under the terms of the agreement, Loki would maintain the Linux version of the game, offering new features, addressing any technical issues and achieving revision parity with the Windows version.