▁or ▁full - time ; ▁but ▁if ▁the ▁ref eree ▁awards ▁a ▁penalty ▁or ▁free - k ick , ▁the ▁game ▁continues . ▁ ▁In ▁the ▁knock out ▁stages ▁of ▁rugby ▁compet itions , ▁most ▁not ably ▁the ▁Rugby ▁World ▁Cup , ▁two ▁extra ▁time ▁periods ▁of ▁ 1 0 ▁minutes ▁periods ▁are ▁played ▁( with ▁an ▁interval ▁of ▁ 5 ▁minutes ▁in ▁between ) ▁if ▁the ▁game ▁is ▁tied ▁after ▁full - time . ▁If ▁scores ▁are ▁level ▁after ▁ 1 0 0 ▁minutes ▁then ▁the ▁rules ▁call ▁for ▁ 2 0 ▁minutes ▁of ▁sudden - de ath ▁extra ▁time ▁to ▁be ▁played . ▁If ▁the ▁sudden - de ath ▁extra ▁time ▁period ▁results ▁in ▁no ▁scoring ▁a ▁kick ing ▁competition ▁is ▁used ▁to ▁determine ▁the ▁winner . ▁However , ▁no ▁match ▁in ▁the ▁history ▁of ▁the ▁Rugby ▁World ▁Cup ▁has ▁ever ▁gone ▁past ▁ 1 0 0 ▁minutes ▁into ▁a ▁sudden - de ath ▁extra ▁time ▁period . ▁ ▁Pass ing ▁and ▁kick ing ▁ ▁For ward ▁passing ▁( throw ing ▁the ▁ball ▁ahead ▁to ▁another ▁player ) ▁is ▁not ▁allowed ; ▁the ▁ball ▁can ▁be ▁passed ▁later ally ▁or ▁backwards . ▁The ▁ball ▁tends ▁to ▁be ▁moved ▁forward ▁in ▁three ▁ways   — ▁by ▁kick ing , ▁by ▁a ▁player ▁running ▁with ▁it ▁or ▁within ▁a ▁sc rum ▁or ▁ma ul . ▁Only ▁the ▁player ▁with ▁the ▁ball ▁may ▁be ▁tack led ▁or ▁r uck ed . ▁When ▁a ▁ball ▁is ▁knock ed ▁forward ▁by ▁a ▁player ▁with ▁their ▁arms