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William and Sly

William and Sly

A cozy open-world 3D adventure based on the popular 'William and Sly' Flash games. Explore a wild mountain landscape as a fox in search of mushrooms and untangle the magical machinations of a dark enchantress. Features fifteen new songs and over ten hours of gameplay!

Released Feb 26, 2024 Developer Lucas Paakh Publisher 2 Left Thumbs Platforms Windows FoxOpen WorldCozy3D PlatformerAdventure
View on Steam ↗ $14.99 (US · as of 2026-05-19)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

98.9%positive92 reviews
Recommended · 1 found this helpful

“Been a fan of Lukas since The Everloom. This game proves once again that he's a master of minimal gameplay mixed with immersive, dreamlike landscapes. I 100%'d this game and beat all three of his Flash games (available for free on Steam btw), and I'd gladly play anything he…”

— a player, Steam review · 13 hrs played
Recommended · 0 found this helpful

“I remember playing the original flash games when I was probably around 3rd or 4th grade. About a few years later that's when I heard about the 3rd game for the first time. I've always love exploration games + animal simulator games especially when I was younger. I continue to…”

— a player, Steam review · 15 hrs played
Recommended · 0 found this helpful

“i've ultimately decided to mark this review as positive, because despite it all i *did* have fun with this game and i can respect the amount of effort the dev put in - it's a gorgeous artstyle (and soundtrack!), with an almost watercolour-like feeling carried over and…”

— a player, Steam review · 11 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

26achievements
38.2%median completion
25.8%rarest: The End
82.5% of players 63.6% of players 59.3% of players 53.7% of players 52.0% of players 50.9% of players 47.3% of players 46.2% of players 43.0% of players 41.5% of players 39.9% of players 39.7% of players 39.1% of players 38.2% of players 37.9% of players 37.8% of players 36.6% of players 36.3% of players 35.4% of players 35.3% of players 34.7% of players 33.2% of players 30.6% of players 28.7% of players 26.7% of players 25.8% of players 82.5% 0% most earned rarest
Almost everyone has
82.5%10 Mushrooms! — This is only the beginning.
63.6%Cave Found — Hidden achievement
59.3%50 Mushrooms! — Now it's an addiction.
Rarest badges of honor
25.8%The End — Hidden achievement
26.7%450 Mushrooms! — It's more obsession than hunger.
28.7%400 Mushrooms! — More like a beach ball every second.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Feb 12, 2026
2026 Publisher Sale

Today kicks off the big 2 Left Thumbs Publisher Sale ! Explore the full event page to scope out loads of discounts, free games, bundles and more! 35% off ! Be sure to check the Bundle List for any add

Nov 03, 2025
Metroidvania Fusion 2025

Human Qube for organizing and including William and Sly in the Metroidvania Fusion Festival Be sure to check out the event page for discounts, demos and previews of other great indie titles! You can g

Feb 07, 2025
2025 Publisher Sale

Today kicks off the big 2 Left Thumbs Publisher Sale ! Explore the full event page to scope out loads of discounts, free games, bundles and more! How about a FREE game?! Croak Crusader: Spawn of the S

Jan 13, 2025
Permanent Price Reduction

It's nearly been a full year since William and Sly launched! We're incredibly grateful for the support the game has received in that time, currently holding a Very Positive (98%) rating on Steam after

Aug 15, 2024
DISCOUNT: Wholesome Games Celebration 2024

The Wholesome Games Steam Celebration event is now live 🥳✨ An event teeming with game launches, debuts & awesome deals 🥰💟 We're incredibly honored William and Sly was selected to take part 🦊🍄 --------

Games like William and Sly

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Alba: A Wildlife Adventure Alba: A Wildlife Adventure 97.9% · 3,904 reviews shares Wholesome, Cozy, Collectathon, Nature Smushi Come Home Smushi Come Home 99.0% · 2,310 reviews shares Wholesome, Cozy, Nature, 3D Platformer Spirit of the North Spirit of the North 83.2% · 2,825 reviews shares Fox, 3D Platformer, Open World, Platformer Mika and The Witch's Mountain Mika and The Witch's Mountain 84.5% · 684 reviews shares Wholesome, Cozy, Collectathon, Nature Lil Gator Game Lil Gator Game 98.8% · 5,114 reviews shares Wholesome, Cozy, Collectathon, 3D Platformer Snake Pass Snake Pass 78.7% · 2,120 reviews shares Wholesome, Cozy, Collectathon, 3D Platformer Haven Park Haven Park 94.3% · 689 reviews shares Wholesome, Cozy, Nature, Open World Islets Islets 96.7% · 1,456 reviews shares Metroidvania, Nature, Open World, Platformer

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresAdventure, Casual
Player tagsFox · Open World · Cozy · 3D Platformer · Adventure · Casual · Metroidvania · Exploration · Nature · Collectathon · Cute · Relaxing (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Family Sharing
LanguagesEnglish, Polish, Italian, German, Spanish - Spain, Dutch, Hungarian, Norwegian, Portuguese - Brazil, Romanian, Croatian, French, Simplified Chinese, Ukrainian, Danish
ControllerFull support
Achievements26
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 Processor: Intel Core i5 Memory: 8 GB RAM Graphics: Gtx 1070 Storage: 5 GB available space