This crossword No. 777 clues and answers were published on Sun 08 Aug 2010 and the puzzle can be visited by following The Guardian Speedy Crossword No. 777 link.
All Across Clues and Answers:
7-across – Designation of God, as in the Book of Daniel : ANCIENTOFDAYS
8-across – Combustible heap : PYRE
9-across – Swinging blow directed at an opponent’s chin : UPPERCUT
10-across – Place of business : OFFICE
11-across – French missile used by Argentina in the Falklands War : EXOCET
13-across – Borneo sultanate : BRUNEI
15-across – Unique : ONEOFF
16-across – Submarine : UNDERSEA
18-across – Parts of London and New York City with the same name : SOHO
19-across – Through military strength : BYFORCEOFARMS
All Down Clues and Answers:
1-down – Retaliation in kind : ANEYEFORANEYE
2-down – Oven used to reduce CaCO3 into powder : LIMEKILN
3-down – Bring on : INDUCE
4-down – Fall over : TOPPLE
5-down – German river that empties into the Baltic Sea : ODER
6-down – Through an accurate estimate based on experience : BYRULEOFTHUMB
12-down – Save 17 : OVERSEAS
14-down – Small air-breathing arthropod : INSECT
15-down – Public speaker : ORATOR
17-down – Son of Aphrodite : EROS
This crossword has in total 20 where 10 are across and 10 are down.