If you landed on this webpage, you definitely need some help with Brain Test 3 game. On this page we are posted for you Brain Test 3 Level 21 answers, cheats, walkthroughs and solutions. In addition to Brain Test 3, the developer Unico Studio has created other amazing games.
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Find a way to open the door. Put three stones to the sockets on the door. The blue stone is behind a box. The red stone is inside the cabinet.
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