You can beat the current level.
To skip to a higher level, you need a passcode.
(see the related question)
The original game Bloxorz has only 33 levels (so far), but Bloxorz 2 and Bloxorz 3 (only online so far) both have additional levels.
No, there are only 33 stages on Bloxorz.
There are 33 stages (levels) on Bloxorz.
No. There are 33 levels.
There are only 33 levels on Bloxorz.
There are only 33 levels on Bloxorz.
There are only 33 levels on Bloxorz.
There are only 33 levels on Bloxorz.
There are only 33 levels on Bloxorz.
There are only 33 levels on Bloxorz.
There are only 33 levels on Bloxorz.
There are only 33 stages (levels) on Bloxorz.