What new features are introduced in Orcs Must Die! 2 - Are We There Yeti?

New features include three new levels with an Ice Cavern theme, new enemies such as the Yeti and Goblin Sapper, a new weapon called the Dwarven Missile Launcher, a new trap called the Spike Wall, and a new Trinket that revives fallen Guardians. Additionally, there are new character costumes.

What are the minimum system requirements to play Orcs Must Die! 2 - Are We There Yeti?

The minimum system requirements are: OS: Windows XP, Windows Vista, Windows 7; Processor: 2GHz Dual Core; Memory: 2 GB RAM; Graphics: NVIDIA GeForce 6800 or ATI Radeon x1950 or better with 256MB VRAM; DirectX: 9.0c; Hard Drive: 9 GB HD space. A broadband Internet connection is recommended for co-op play.