Movies based on survival are a popular genre that often captivates audiences with their intense, gripping, and sometimes harrowing stories. Here are some key aspects and notable examples of movies based on survival:

1. Wilderness Survival:- These movies usually involve characters stranded in remote and unforgiving natural environments, such as deserts, mountains, forests, or icy terrains. They must contend with harsh conditions, limited resources, and various threats, showcasing their resilience and resourcefulness.

2. Post-Apocalyptic Survival:- These films explore the aftermath of a global catastrophe or the collapse of civilization, presenting characters who must navigate a bleak and dangerous world, dealing with scarcity, lawlessness, and hostile individuals or creatures.

3. Disaster Survival:- In these movies, survival becomes a race against time as characters face catastrophic events or natural disasters, such as earthquakes, tsunamis, or hurricanes. The focus is often on their attempts to navigate the chaos and find safety.

4. Survival Horror:- This subgenre combines elements of survival and horror, where characters face both physical and supernatural threats. The focus is on their attempts to escape or survive encounters with monsters, zombies, or other terrifying entities.

5. Notable examples: "Cast Away" (2000), "The Grey" (2011), "127 Hours" (2010), "The Revenant" (2015), "Alive" (1993).

6. Notable examples: "The Road" (2009), "Mad Max: Fury Road" (2015), "I Am Legend" (2007), "Children of Men" (2006), "The Book of Eli" (2010).

7.Notable examples: "The Day After Tomorrow" (2004), "San Andreas" (2015), "Deepwater Horizon" (2016), "The Impossible" (2012), "Twister" (1996).

8. Notable examples: "The Descent" (2005), "The Texas Chainsaw Massacre" (1974), "28 Days Later" (2002), "A Quiet Place" (2018), "Alien" (1979).

These movies often explore themes of human endurance, adaptability, and the will to survive against overwhelming odds. They provide thrilling and sometimes thought-provoking experiences, showcasing the indomitable spirit of the human spirit in extreme circumstances.