Furry Ball is xperimental substance SB1. In its lab dish home, it gets into all kinds of interactions with other substances. You will need to take note of these effects, move Furry Ball to avoid or hit these substances depending on Furry Ball’s shifting states, and keep it alive! Two other Grow & Challenge modes provide additional varied play for even more hours of endless fun. Note! The same substance may give different effects in different modes and levels. So watch out!