MAC Moon Landing is a cool blue with a metallic finish that is limited edition and retails for $21.00. In comparison, Melt Cosmetics Weirder and Weirder is a cool black with a metallic finish that is limited edition and retails for $19.00.
Melt Cosmetics Weirder and Weirder is 80% similar — it is less shimmery, darker, more muted.