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F4: ROTSS
Xbox 360
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Successfully execute a 2-player fusion attack.
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityComplete Red Ghost Level
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityDefeat Terrax
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityComplete Terrax Level
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityComplete Skrull Lair Level
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityDefeat Super Skrull
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityComplete New York Level
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarity
