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
- Start IE7 and choose Internet Options from the Tools menu.
- Choose Internet zone from Security tab and click Custom level....
- Choose Enable under Run ActiveX controls and plug-ins and click the OK button.
- Click the OK button and close the setting screen.
Deactivate "Doing active contents from the file of My Computer"
- Start IE7 and choose Internet Options from the Tools menu.
- Take off a check mark of Allow active content to run in files on My Computer under the Security tree of Advanced tab.
- Click the OK button and close the setting screen.
- Restart IE7.
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.
- Even if you leave the check mark in the "option" above, you can do the puzzles by registering that nikoli.com is one of your Trusted sites. Please refer to the following process.
- Start IE7 and choose Internet Options from the Tools menu.
- Choose Trusted sites from the Security tab and click the Sites button.
- Remove check mark for Require server verification (https:) for all sites in this zone.
- Enter http://www.nikoli.com in Add this website to the zone and click the Add button.
- Add https://member.nikoli.com by same way.
- Click Close and OK and close the screen of setting.
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."
- Start IE7 and choose Internet Options from the Tools menu.
- Choose Advanced tab and click the Reset button at the bottom right.
- Confirmation screen for the reset appears on the display and click the Reset button.
- Click Close, OK and OK.
- Restart IE7.
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.



