Arithmetic Invaders: Grade 1 Math Facts Release Dates Arithmetic Invaders: Grade 1 Math Facts iOS North America App Store Publisher: Reks Release Date: Jul 14, 2011 Rating: ESRB - Rating Pending Europe App Store Publisher: Reks Release Date: Jul 14, 2011 Rating: PEGI - Rating Pending Arithmetic Invaders: Grade 1 Math Facts Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates
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