Zombie Army Trilogy is a game that contains remastered versions of Sniper Elite: Nazi Zombie Army, Sniper Elite: Nazi Zombie Army 2 and the third previously unreleased game Sniper Elite: Nazi Zombie Army 3. New additions to the games included new dismemberment mechanics, brand new graphical effects, new audio, new enemy animations, brand new campaign missions and a brand new horde mode which supports 1-4 players.
- OS: Microsoft® Windows® Vista (Service Pack 2) or Windows® 7 or Windows® 8. Windows® XP is NOT supported.
- Processor: Dual-core CPU with SSE3 (Intel® Pentium® D 3GHz / AMD Athlon™ 64 X2 4200) or better
- Memory: 2 GB RAM
- Graphics: Microsoft® DirectX® 10.0 compatible graphics card with 512 MB of memory (ATI Radeon™ HD 5870) or better
- DirectX: Version 11
- Hard Drive: 15 GB available space
- Sound Card: Microsoft® DirectX® 10.0 compatible sound card or better
- Additional Notes: Windows® XP is NOT supported. Ensure graphics and audio drivers are up to date.