▁based ▁on ▁Je op ard y ! ▁designed ▁for ▁use ▁in ▁schools . ▁With ▁this ▁system , ▁the ▁teacher ▁plays ▁the ▁role ▁of ▁host , ▁while ▁students ▁can ▁play ▁the ▁game ▁on ▁a ▁normal ▁class room ▁television ▁set ▁or ▁an ▁interactive ▁white board . ▁Te ach ers ▁are ▁permitted ▁to ▁either ▁use ▁standard ized ▁games ▁created ▁for ▁the ▁grade ▁levels ▁of ▁their ▁classes , ▁or ▁write ▁custom ized ▁games ▁of ▁their ▁own ▁covering ▁material ▁that ▁they ▁are ▁teaching ▁at ▁the ▁moment . ▁Origin ally , ▁the ▁game ▁used ▁a ▁cart ridge - based ▁system ▁for ▁the ▁categories ▁and ▁wireless ▁rem otes ▁for ▁the ▁players ▁and ▁the ▁host , ▁with ▁the ▁unit ▁itself ▁acting ▁as ▁the ▁score board . ▁There ▁was ▁also ▁a ▁small ▁laptop - style ▁keyboard ▁that ▁connected ▁to ▁the ▁game ▁unit ▁and ▁allowed ▁for ▁programming ▁the ▁cart rid ges ▁via ▁a ▁small ▁L CD ▁screen ▁on ▁the ▁unit . ▁The ▁u pr ated ▁version ▁of ▁the ▁system ▁replaced ▁the ▁L CD ▁screen ▁and ▁keyboard ▁with ▁a ▁USB - connected ▁device ▁known ▁as ▁the ▁" Class room ▁Je op ard y ! ▁Link ," ▁which ▁allowed ▁programming ▁of ▁the ▁cart rid ges ▁( and ▁storage ▁of ▁un used ▁games ) ▁via ▁a ▁PC ▁or ▁Mac int osh ▁( which ▁included ▁" Class room ▁Je op ard y ! ▁Editor " ▁software ). ▁ ▁The ▁success ▁of ▁Class room ▁Je op ard y ! ▁led ▁to ▁the ▁production ▁of ▁a ▁home ▁version , ▁called ▁Host ▁Your ▁O wn ▁Je op ard y !,