Arsinoe is a new character introduced in Metal Slug Attack.
First appearing in "Try Line 1st", Arsinoe is summoned by Hemet to assist in driving off the invaders from their land. Arsinoe complains about being called on such a short notice and initially refuses to help the Mummy Warrior, only doing so when Hemet points out that Cleopatra would be disappointed. Arsinoe hopes to obtain some rewards for her work, and the two set out to confront the invaders.
They successfully do so, and returning with a large amount of Try Coins, Arsinoe is pleased to be rich. However, she becomes dismayed when Hemet tells her that the coins would expire soon. Arsinoe panics and takes half of the coins, ordering the Mummy Warrior to take the other half before making a mad dash to the Try Line shop.
- She was named after the real-life historical figure with the same name.
- She is the first newcomer rare unit to have an illustration, and also the only one not of a "Super Rare" rarity (as all newcomers come in such rarities).