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William and Sly

rated 4.44 / 5 stars
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Action - Platformer - Other

Credits & Info

Jul 17, 2009 | 3:03 PM EDT
  • Frontpaged July 17, 2009
  • Daily Feature July 17, 2009
  • Weekly 2nd Place July 21, 2009

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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!


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 and 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.



Rated 5 / 5 stars

badass cool

smooth gameplay, awesome graphics, and simple controls!
and added to favorites.
the boss battle was awesome, and the wings made it fun.
if you can't find the wings, P.M. me and ill tell you

People find this review helpful!


Rated 4.5 / 5 stars


The art is cool, the music is nice, rain is nice.
It took me a while to get what was going on with the snake,
good game.

People find this review helpful!


Rated 5 / 5 stars


Gorgeous came, beautiful artwork, a million thumbs up! <3


Rated 5 / 5 stars

Ok, I'm done

After over an hour of looking through every secret cave I could find, using the wings, and beating the boss I only found 125 mushrooms, unlocked 12 chests, and found 1 switch. Seriously, where are those stupid things? I looked everywhere. Also it seems unfair that you can only turn white once with every rune unlocked, I could only slay 10 of those darklings. In the end it was a fun game but my patience gave out. O and for those having trouble beating the final boss (although you shouldn't hes easy as sh**) theres a simple pattern to him, I found it but I won't tell you.


Rated 5 / 5 stars

One of the Best I've Played on NG

The game is just beautiful. I loved the whole thing. Very Zen, very relaxing. The music is just epic and I love the graphics. Although, in my opinion, the game could be longer, but still, as it is, I loved it.