1
Slope Plus
coweggs.itch.io/slope-plusAlso covers game · same kind of website
Play a modified version of Slope with quality-of-life changes and extra game modes.
Alternatives
The Best PrinceJS Alternatives in 2026
3 alternatives1 free · 0 open source
Looking for something like PrinceJS? Here are 3 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan.
Play a JavaScript and HTML5 reimplementation of the MS-DOS version of Prince of Persia.
Top picks at a glance
First suggestionSlope PlusPlay a modified version of Slope with quality-of-life…Free or freemium optionPlays.orgPlay HTML5 browser games across categories on Plays.org…Another optionSMBGamesSMBGames hosts more than 200 Mario games for browser play…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Slope Plus | — | Not stated | Web, Windows |
| 2 | SMBGames | — | Not stated | Web |
| 3 | Plays.org | Free | Not stated | Web |
All PrinceJS alternatives
2
SMBGames
smbgames.beAlso covers game · same kind of website
SMBGames hosts more than 200 Mario games for browser play, including versions of Super Mario Bros.
3
Also covers game · same kind of website · free
Play HTML5 browser games across categories on Plays.org without installing an app or other software.
No alternatives match this filter.
Alternatives to similar tools
What is the best alternative to PrinceJS?
Based on features, tags and platforms, the closest alternatives to PrinceJS are Slope Plus, SMBGames, and Plays.org.
Is there a free alternative to PrinceJS?
Yes. Plays.org is free or offer a free plan.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative