We're grateful to haeiofjaldnefk, our latest supporter!

We're 14 people from our target today. Why don't you be one of them?

You can support NG too and get tons of perks for just $2.99.

Create a Free Account and then..

Become a Supporter!

William and Sly

Share Collapse


Log in to save your medals! Don't have an account? Create one for free!

Flight 5 Points

Find the wings.

Weather Mage 5 Points

Turn off the rain.

Dominus Lux 10 Points

Slay five darklings.

Deviation 25 Points

Unlock all boxes and switches.

Resolution 25 Points

Complete the game.

Sensitive Nose 50 Points

Find all of the mushrooms.

Sly Fox 100 Points

Earn more than 35,000 points.

Author Comments

JAN 30, 2016
Hey guys, I’ve started work on a possible William and Sly 3. Follow me on facebook for updates! https://www.facebook.com/LucasPaakh/


This is probably my best game to date. I wanted to make something more accessible, as most of my flash games have been too complicated for my family to play. :3

I really hope you guys enjoy it, I think it's the most effort I've put in to anything. A big thanks to everyone who helped me test, and Tom and NG for the sponsorship!

As always, leave a comment! I love reading them.

EDIT: The game has version detection, but YOU NEED FLASH 10 to play it. If you have trouble loading the game, please send me a PM with the details.

EDIT: Because nearly everyone is saying they can't figure out the boss's pattern, I've made a slight change that should make it more obvious. Once the game update is approved I'll let you guys know and you can try again with the new pattern. *Alright it's up now*

If you're getting a black screen after the Newgrounds and Particlasm screens this applies to you. This might also help with the loading bar freezing. This was posted by a Kongregate user (thanks Knork):

"If the game does not load past the ads make sure that ngads.com and ads.newgrounds.com are not being blocked in your hosts file. Which is located under C:\WINDOWS\system32\drive rs\etc
If they are, uncheck the "Read-only" attribute and edit out those two lines."

If this works for you let me know.



The atmosphere is amazing, the music and the BG and art complement each other so beautifully, my only problem was that the music did not run for long enough, perhaps you could make a nice taunting/dark and moody ambient piece that plays subtly between the nice a magical current music tracks.
My second problem would be the boss, it took me nearly seven minutes to figure out it had a pattern, before which i had thought it followed the player.
Then my next problem would be the ending, which was - in honest words - rubbish. It needed a cinematic ending, probably best if it were showing a new predicament setting up the players for another adventure for our little fox?
Just an idea.
I would also like to PM you on another subject.
Anyway great game, lagged a little but still the best i've seen since, well, ever!

People find this review helpful!

Best. Game. Ever.

This is the best game that i have played on newgrounds...

People find this review helpful!

Really Nice!

I love this game. It's so amazing.
The Coolest game ever played.

Love the music too. It really goes well with the game.


bueatiful graphics, smooth play, simple controls.


i really enjoyed playing this game, it is very entertaining and the map layout is very long. being a fox in a game is also awesome and cute. the controls were easy, the graphics kicked ass and the medals were fun to get. i know that this was supposed to be the challenging part of the game but man! those black things were really freaky and they always took my fireflies!
i rate in a certain way, if you dont like it you can shove it:
3/3 for how much fun i had,
2/2 for the graphics,
1/1 for the sound and music,
1/1 for the story,
1/1 for the controls,
and 1/1 because i liked it!
i also voted 5/5!
congratulations! you are the first out of many who actually got a 10/10 rating and a 5/5 vote from me!


People find this review helpful!

Click on an icon to vote on this!

Credits & Info

4.44 / 5.00

Jul 17, 2009
3:03 PM EDT
Action - Platformer - Other
  • Frontpaged July 17, 2009
  • Daily Feature July 17, 2009
  • Weekly 2nd Place July 21, 2009