but one are only vs all but one are only

Some examples from the web:

• 9) No achievements except for the one "Last Man Standing' multiplayer achievement. Even if you beat a game with a leader you've never played before you won't get the achievement. All but one are only for single player :-( ...
• 'von dem'). As for the other contractions (e.g. aussem `aus dem', fuČr'n `fuČ r den' , inna `in der', mit'm `mit dem', etc.), all but one are only attested in A5 fanzines. In other words, even within the subcultural literacy space of punk fanzines, the.
• Each has a defined, critical role in normal human metabolism, and all but one are only obtainable through the diet. Omega-3 fatty acids and whey protein are sources of essential fatty and amino-acids, the two remaining classes of essential  ...
• Sep 25, 2011 ... Because of this, there are some funny things on my transcript, such as having straight-A's all throughout 9th and 10th, and then B's and C's for 11th. I also then have no APs, since all but one are only offered to 11th and 12th ...

Some examples from the web:

• 9) No achievements except for the one "Last Man Standing' multiplayer achievement. Even if you beat a game with a leader you've never played before you won't get the achievement. All but one are only for single player :-( ...
• Each has a defined, critical role in normal human metabolism, and all but one are only obtainable through the diet. Omega-3 fatty acids and whey protein are sources of essential fatty and amino-acids, the two remaining classes of essential  ...
• Hum. Was looking forward to seeing this on Saturday. Just checked every cinema within 30 miles of me. All but one are ONLY showing it on Wednesday and Thursday. What gives?
• 'von dem'). As for the other contractions (e.g. aussem `aus dem', fuČr'n `fuČ r den' , inna `in der', mit'm `mit dem', etc.), all but one are only attested in A5 fanzines. In other words, even within the subcultural literacy space of punk fanzines, the.