วันวางจำหน่ายที่วางแผนไว้: จะแจ้งให้ทราบในภายหลัง

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The year is 1998. You enlisted to Aperture’s test subject program a decade prior. As if only just remembered, your application gets accepted for one of Aperture’s standard testing courses. But what may seem like a simple hour or so taken from your day may in fact turn out to be a larger escapade than first thought.

Aperture: Salt Mines is a community-made modification for Portal 2. Set in the same universe as the original games, descend into the heart of Aperture in the year 1998, shortly after the death of Cave Johnson.

Featuring:

• An original story of action, drama and humor
  
• 4 new characters
  
• 5 fully fleshed-out chapters
  
• Multiple new puzzle mechanics
  
• A fully expanded upon environment never seen in the original campaigns
  
• A well-constructed and gradual puzzle difficulty curve
  
• Original soundtrack