Crepuscular Life is a free, interactive, OpenGL screensaver which runs John Conway's Game of Life at full display resolution (non-Retina).

Features:

• Keeps the board in motion by regularly spawning spaceships
• User can change the game speed and cell count while saver runs
• Preserves the board state between runs
• Optimized for multiple processors/cores
• Supports multiple displays, each with its own settings and controls