Goosebumps: The Game
40 Achievements
GOG
I Was Your Evil Twin
Look into an antique mirror and do some self reflection.
19.7%
How to unlock the I Was Your Evil Twin achievement in Goosebumps: The Game - Definitive Guide
Before you head to the attic make sure to collect the hand mirror from the drawer in the bathroom (main house, upstairs, left-hand side). Use the stepladder (can be found in the closet in the basement) to reach the attic hatch (main house, upstairs, right-hand side) and use the hand mirror with the antique mirror to unlock the achievement.
After earning How I Got my Shrunken Head , climb into the attic and use the hand mirror (found in the drawer in your bathroom) on the mirror to shatter it and unlock the trophy.
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