set size and num of clones then press green flag. see your virus climb the 2d walls and enjoy! there is no levels let because this is a test note: this a softbody physics sprite. below is the list of sizes and numofclones i think is best low ram 1: 39, 20 low ram 2: 30, 5 low ram 3: 20, 11 medium ram 1: 31, 26 medium ram 2: 29, 33 medium ram 3: 42, 11 high ram 1: 21, 56 high ram 2: 40, 30 high ram 3: 1, 5 maximum overdrive!: 3, 100