Ice Void is described as 'gripping story of survival on the top of Mount Everest. Written with careful attention to Nepalese geography and based on dozens of climbers interviews - the game storyline delivers an unmatched "as real as it gets" Everest experience'. There are three games similar to Ice Void for a variety of platforms, including iPad, iPhone, Mac, Steam and Windows. The best alternative is Lifeline. It's not free, so if you're looking for a free alternative, you could try Project Hyrax: Beyond Time.
Lifeline is a playable, branching story of survival against all odds. Using your device, you will help Taylor make life or death decisions, and face the consequences together. Represent entire series of Lifeline games.