Create an image of a futuristic virtual reality game world where players control giant mechs battling against mythical creatures in a post-apocalyptic landscape.

Visualize a high-tech landscape of the future, where a virtual reality game environment is set. The world is scarred by post-apocalyptic marks - destruction, dilapidation, and desolation in sprawling vistas. The players manipulate colossal mechanical robots, or mechs, tailored with advanced control systems. These mechs engage in intense combat scenarios, their metallic forms clashing against each other amidst the ruins. The twist in the game involves fighting mythical creatures, beasts of lore and legend, that have mysteriously emerged in this future timeline. The raw power of the mechs against the supernatural abilities of these creatures makes for a thrilling, otherworldly spectacle.