How many puzzles are there in portal 1

Answer 1

there are 19 test chambers in portal (not counting the 00 chamber). there are also advanced and challenge versions of chambers 13-18.

Answer 2

Also , if you want more you can download more maps. BUt you should count also behind chambers as puzzles.

Answer 3

there are 20 test chambers in the first portal counting test chamber 00

Answer 4

20 test chambers.

Most of you miss out on the first one level 00.

Answer 5

There are 19 main puzzles

Answer 6

There are 19 test chambers, but far more puzzles beyond the official test chambers.

Answer 7

There are 19 Official test-chambers specifically designed by 'Aperture Science' to test you offering a multitude of puzzles. However there are a lot of challenges that happen after the 19th chamber.

Answer 8

There is 20 levels, 00-19,  a few levels where you are escaping through tunnels and such, and a boss level.

Answer 9

there are 19 "levels" in portal, although some are longer than others, and after level 19, it turns into the boss