Identity, belonging, otherness, and absence of political expression are some of the themes the artist explores. She works with video, installation, sculpture, photography, and performance. Chachage has shown work in Tanzania, South Africa, Senegal, and Japan, and participated in the DakʼArt African Contemporary Art Biennale, Dakar (2012). She has done artistic residencies at Akiyoshidai International Artist Village (AIAV), Yamaguchi, and the Nordic Artists' Centre Dalsåsen Dale i Sunnfjord, Dale.