New Living Translation
So Joshua and the Israelite army continued the slaughter and completely crushed the enemy. They totally wiped out the five armies except for a tiny remnant that managed to reach their fortified towns.

American Standard Version
And it came to pass, when Joshua and the children of Israel had made an end of slaying them with a very great slaughter, till they were consumed, and the remnant which remained of them had entered into the fortified cities,

Berean Study Bible
So Joshua and the Israelites continued to inflict a terrible slaughter until they had finished them off, and the remaining survivors retreated to the fortified cities.

Douay-Rheims Bible
So the enemies being slain with a great slaughter, and almost utterly consumed, they that were able to escape from Israel, entered into fenced cities.

English Revised Version
And it came to pass, when Joshua and the children of Israel had made an end of slaying them with a very great slaughter, till they were consumed, and the remnant which remained of them had entered into the fenced cities,

King James Bible
And it came to pass, when Joshua and the children of Israel had made an end of slaying them with a very great slaughter, till they were consumed, that the rest which remained of them entered into fenced cities.

World English Bible
It happened, when Joshua and the children of Israel had finished killing them with a very great slaughter until they were consumed, and the remnant which remained of them had entered into the fortified cities,

Young's Literal Translation
And it cometh to pass, when Joshua and the sons of Israel finish to smite them -- a very great smiting, till they are consumed, and the remnant who have remained of them go in unto the fenced cities,

Joshua 10:20 Additional Translations ...