so, you set your sprite and the sprite you wanna hit with spset and that stuff, then you do SPCOL (management num):SPCOL (num) if sphitsp(main sprite management number)(sprite to hit number) then (whatever you want it to do) endif so SPSET 0,8,8 SPSET 1,8,8 (SPOFS STUFF) SPCOL 0:SPCOL 1 IF SPHITSP 0,1 THEN PRINT "HITTING" ENDIF tell me if you don't understand