Try this out:

https://forum-narutoen.oasgames.com/page/show-post-42552-1.html?thread_anchor=5#5

Hello,

Please clear your cache and flush your DNS, then test your internet speed. If your internet speed is good and you are still experiencing this issue, please contact us again.
Otherwise, the posted directions from Rinzler may be helpful to you.

Thank you!

It's not working I tried bit just now

still experiencing the issue

u can see the time it is still not working

Hello, are you experiencing issues with browser and miniclient? Or is it just one?

I tested your server, and it seems to be operating currently. Are you still experiencing issues?

Both

ya mine started working but hope this dosent happen frequently

i had problem with both. i would like to know why the game stopped working like that for no reason and it seemed every player in my server did not have that problem.

for now the game has started working

You didnt change anything bro?

I am asking cause i may resolve my issue too.

ya i didnt change anything everything is the same it just started again in the evening yesterday

What servers are still experiencing issues logging in?

S853, S850. Plese help us. Its been 4 days we havent played. I hope you can fix it and give compensation. Today's pic. Its the same even after clicking on the bottom left icon which helps to solve black screen issue.

Browser and Mini Client.

I am in S1453.

Hope this is resolved.

Thank you.

Dear Team,

Pleas hep us to resolve this issue. Its 5th day and we haven't played, it's so bad. I understand your team is working to resolve this issue. Please give some compensation.

I have tested all server mentioned in this post, and all seem to be operating well with other players being online. Please ensure there is no issue with your internet, and that you are running the most updated version of flash.

I have checked the version of fla* is the latest. My friend is playing the game for him it is loading but for some of us it is not.

I have lost many rewards during these 5 days pls try to solve it. I want to play the game again :)

S4 server

im getting blackscreened after loading to 100% and then nothing

i noticed during the loading screen, at the bottom, there were a couple "swf" files that were listed as failure

Dear Sir,

I would like to inform you that, my flash player is updated to the latest, internet is absolutely fine. This problem started only from 01/07/2020 and until date I have been facing it and earlier I had no issues. I have been using mini client for more than 4 months and never faced such problem. Even today also I try to log but its the same. It's been 1 week we havent played and its really frustrating when investments are made for the game. Please help us out many others are also facing the same issue.