Apply brown shimmer acrylic over the entire nail.

Use a striper brush and hunter green acrylic paint to add several lines. Use a striper brush and neon green acrylic paint to add several lines, some of which should intersect the hunter green lines.

Use a striper brush and black acrylic paint to add several lines, some of which should intersect the existing lines.

Use a striper brush and light brown acrylic paint to add several lines, some of which should intersect the existing lines.

Use a striper brush and neon pink acrylic paint to add a target in the center.