Prompt: Imagine a riveting 2D side-view montage capturing the essence of a Metal Slug-inspired warfare. The scene unfolds deep within a planet's mantle, where the backdrop pulsates with molten lava and shimmering crystals. A fleet of meticulously designed vehicles, reminiscent of classic arcade icons, clash amidst the intense pressure and fiery eruptions. Each vehicle showcases intricate details: gleaming armor, blazing exhausts, and intricate weaponry. The environment amplifies the stakes, with molten rivers flowing and geothermal vents spewing steam. This tableau encapsulates a high-octane battle, marrying retro aesthetics with the extreme conditions of a planetary underworld.

Style: Pixel Art