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Operation: Biowar

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Operation: Biowar

Nov 21, 1999

Mod for Doom II: Hell on Earth

Operation: Biowar, more generally known as Biowar, is a 19 level megawad created by Chris Harbin together with Paul Corfiatis and John Bishop. It was released in 1999, and features a combination of techbase and Hell levels but also some new themes including a snowy mountain. There are several new sound effects and textures but no changes in the regular Doom gameplay. The mod features music by well known composer Mark Klem.
Release Dates
Nov 21, 1999 (Worldwide)
PC (Microsoft Windows)
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