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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

I love this game. The fact that someone made a game that doesn't show foxes in a bad light makes me think that the world is a good place. It does get laggy at some times, but that could just be my computer. :)


Rated 4.5 / 5 stars

I remember playing this a long time ago, probably around when it first came out. Still love it today but boy has this game not aged well. There's a really weird bug where I can see the seams between each tile and it's pretty laggy for some reason.

That aside, hearing that a third game is in the making makes me hype. Can't wait to see it.

Kajenx responds:

That's specific to websites that use windowed mode, which forces the GPU to run. Try it on Kongregate, it'll run better.


Rated 4.5 / 5 stars

A wonderful gaming experience, Kajenx! I loved exploring the world and trying to find every, single secret cave entrance I could. Top stuff! Will be playing again!

Kajenx responds:

Make sure you check out the sequel! :)


Rated 4.5 / 5 stars

I thought this game was an adventure story :(
If it was it would be so much fun! :) So... please make a continuation?


Rated 5 / 5 stars

Awesome graphics and ambiance, everything is very pleasing. Thank you!