Choose William and Sly: Classic Collection
Choose William and Sly: Classic Collection if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. William and Sly: Classic Collection launched in 2023.
William and Sly: Classic Collection vs Cats in Wonderland
William and Sly: Classic Collection and Cats in Wonderland both land in Adventure, Casual on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Adventure, Casual on Steam. William and Sly: Classic Collection is free; Cats in Wonderland is paid (Price unknown). William and Sly: Classic Collection is Deck Playable on Steam Deck; Cats in Wonderland has no Deck rating yet. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Cats in Wonderland
Choose Cats in Wonderland if you want the Custom Volume Controls, Stereo Sound, and Playable without Timed Input side of the pairing.
Both William and Sly: Classic Collection and Cats in Wonderland sit in Adventure and Casual on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 William and Sly: Classic Collection |  Cats in Wonderland | |
|---|---|---|
| Released | 2023 | — |
| Genres | Adventure, Free To Play, Casual | Adventure, Casual |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | 97% positive (164 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Lucas Paakh | Gray Boss |
Side by side
- Both share Adventure, Casual on Steam.
- William and Sly: Classic Collection is free; Cats in Wonderland is paid (Price unknown).
- William and Sly: Classic Collection is Deck Playable on Steam Deck; Cats in Wonderland has no Deck rating yet.
William and Sly: Classic Collection vs Cats in Wonderland — FAQ
- Are William and Sly: Classic Collection and Cats in Wonderland similar?
- They overlap on Adventure, Casual on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Is William and Sly: Classic Collection free?
- Yes — William and Sly: Classic Collection is a free-to-play Steam title. Cats in Wonderland is paid (Price unknown).
- Does William and Sly: Classic Collection run on Steam Deck?
- Yes — William and Sly: Classic Collection is rated Deck Playable by Valve. Cats in Wonderland doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.