Simplify the following text for a Grade 11 native English-speaking person.
Original: During the Immunity Challenge , the players thought that Kim did not perform well and it seemed that she was purposely losing the challenge while Koror 's `` buddy system '' brought them to another Immunity win .
Simplified: During the Immunity Challenge , Kim performed very badly and it seemed that she was throwing the challenge , while Koror 's `` buddy system '' brought them to another Immunity win .