Recommended Environment

To enjoy puzzles of nikoli.com, you need to have a Flash Player in your browser.

If you don't have the message: "Adobe Flash Player was installed." In the "Adobe Flash Player check page", please download and install the flash player from the Adobe Flash Player Download Center

Recommended environment of each OS and the working situation of browser.


Windows

Firefox

We have checked that the puzzles of nikoli.com will work in Firefox17.0.x(WindowsXP) and Firefox17.0.x(Windows7). We will keep checking this with new versions.

Internet Explorer 9(IE9)

We have checked that the puzzles of nikoli.com will work in IE9 and IE9(64bit).

IE9 cannot be used by WindowsXP.

Internet Explorer 8(IE8)

We have checked that the puzzles of nikoli.com will work in IE8.

Internet Explorer 7(IE7)

We have checked that the puzzles of nikoli.com will work in IE7.

But depending on the settings of your IE before installing IE7, you may need to change some settings after installing IE7.

If you cannot do the puzzles (if Flash doesn't work), please try the steps below.

Enable ActiveX controls and plug-ins

Deactivate "Doing active contents from the file of My Computer"


If you register nikoli.com among your "Trusted sites", you can do our puzzles with the "Allow active content to run in files on My Computer" option on.

Reset IE7 setting.

This is the last option if you cannot do the puzzles. If you do a "reset," your passwords, temporary files and cookies will be deleted in IE. When you do a "reset," be careful to read the information at "What will happen after the reset." in the confirmation screen of the "reset."

Internet Explorer 6(IE6)

We have checked that the puzzles of nikoli.com will work in IE6.

Netscape, Opera

We have checked that the puzzles of nikoli.com will work in Netscape and Opera. But we have not checked it now.

Mac OS X

Safari

We have checked that the puzzles of nikoli.com will work in Safari6.0.x and Flash Player11. We will keep checking this with new versions.

The Safari1.x and Flash Player9 combination causes this problem! Please refer the next information.

>>> Getting around Safari1.x and Flash Player9 problems

Firefox

We have checked that the puzzles of nikoli.com will work in Firefox17.0.x and Flash Player11. We will keep checking this with new versions.

Netscape, Opera

We have checked that the puzzles of nikoli.com will work in Netscape and Opera. But we have not checked it now.

Mac OS9

Safari and Firefox do not supply OS9 browsers. And we cannot check the working with OS9.

We recommend using Netscape 7.0x for OS9 users.