Gadjah Mada University the Secretariat of Joint Sports, and the Arts Unit is coordinated by the Joint Secretariat of Arts. Sports activities include swimming, diving, inkai karate, kenpō, the Indonesian martial art "pencak silat" (including the variants of "pencak silat merpati putih", "self periasi pencak silat", "pencak silat pro patria", and "pencak silat setia hati terate"), taekwondo, judo, hockey, soccer, softball, volleyball, basketball, athletics, equestrian, bridge, badminton, chess, and tennis. Arts activities include Arts Gaya Yogyakarta (Swagayugama), Art Style Surakarta, Balinese dance, creative dance, photography, Gamma Band, marching band, ‘’keroncong’’, student choir, theatre, and others arts. Other activities include Publisher Student Press Agency,
Pencak Silat in the highly-aggressive nature of their pencak silat. Acehnese pencak silat borrows its foundation from silat Melayu and silek Minangkabau, particularly the arm-seizing techniques of the former and the ground-sitting postures of the latter. Bladed weaponry is favoured, specifically knives and swords. The primary weapon is the rencong, an L-shaped dagger used mainly for thrusting but also for slashing. The kris is used as well but the native rencong takes precedence. Batak land is situated between the Minangkabau to the south and Aceh to the north, and the culture shows both Indian and Chinese influence. The word Batak refers to