diff --git a/core/assets/background.png b/core/assets/background.png
new file mode 100644
index 0000000..c6083fe
Binary files /dev/null and b/core/assets/background.png differ
diff --git a/core/assets/planet0.png b/core/assets/planet0.png
new file mode 100644
index 0000000..455c624
Binary files /dev/null and b/core/assets/planet0.png differ
diff --git a/core/assets/planet1.png b/core/assets/planet1.png
new file mode 100644
index 0000000..cb927fb
Binary files /dev/null and b/core/assets/planet1.png differ
diff --git a/core/assets/planet2.png b/core/assets/planet2.png
new file mode 100644
index 0000000..f5bf498
Binary files /dev/null and b/core/assets/planet2.png differ
diff --git a/core/assets/planet3.png b/core/assets/planet3.png
new file mode 100644
index 0000000..9b6ec13
Binary files /dev/null and b/core/assets/planet3.png differ
diff --git a/core/assets/planet4.png b/core/assets/planet4.png
new file mode 100644
index 0000000..0b82619
Binary files /dev/null and b/core/assets/planet4.png differ