- How many Sig.NULL achievements are there?
There are 27 achievements to unlock in Sig.NULL worth a total of 4000 gamerscore.
There are 27 achievements with a total of 4000 points
I'm a teapot150
Complete first level at MANUAL PAGES
Complete first level at I/O STREAM less than 30 steps
Complete first level at I/O STREAM
Complete third level at I/O STREAM less than 20 steps
Complete remote drone level at MANUAL PAGES
Watch replay of any level to the end
Rail the line on levels map
Undo at least one step
Restart any level
Complete RULES puzzle at main menu