Last updated · 7 October 2026

Licenses & credits

Leaf Arcade brings games to your browser. Games, engines, artwork, audio and libraries retain their respective authors’ rights. Each license applies to its own material.

Website software

Our website uses React and Next.js, Lucide icons, Three.js, React Three Fiber, Motion and other libraries. Read the full software copyright and license notices. This inventory also preserves notices for production build tooling; it does not mean every listed component runs in your browser.

Fonts, dictionaries and symbols

• Outfit — The Outfit Project Authors. SIL Open Font License and copyright.
• English spelling list — Kevin Atkinson and credited SCOWL contributors. License, sources and filtering changes.
• Letter Tiles lexicon — ENABLE, compiled by Alan Beale and M. Cooper, released into the public domain. Credits, release statement and changes.
• Social platform symbols — Simple Icons, CC0. Source and license links. Brand names and symbols remain trademarks of their owners.

Computer opponents

Chess practice uses Stockfish.js 19 by Chess.com and Stockfish contributors, with the network credit retained in its source notice. GPLv3 license · Credits, exact source and build instructions.

DOS games

Original packages and notices are preserved. The release evidence and restrictions for each title are also shown in its game player.

• Liero — Joosa Riekkinen · © 1998. Author-authorized freeware: notice and credits
• Xargon — Complete trilogy — Allen Pilgrim · © 1992–1994. Author-released freeware: notice and credits
• Bio Menace — Apogee Software, Ltd. · © 1993/2005. Apogee freeware · restricted use: notice and credits
• ZZT — Demo world — Adrian Siekierka · © 2020; Epic MegaGames · © 1991, used with permission. MIT · engine and demo: notice and credits
• Heartlight PC — xLand · 2006 release by Maciej Miasik. CC BY-SA 2.5 · full release: notice and credits · License terms
• Adventures of Robbo — xLand · 2006 release by Maciej Miasik. CC BY-SA 2.5 · full release: notice and credits · License terms
• Electro Man — xLand · 2006 release by Maciej Miasik. CC BY-SA 2.5 · full release: notice and credits · License terms
• Ken’s Labyrinth — Ken Silverman · © 1993. Author-released freeware: notice and credits
• Traffic Department 2192 — P² Multimedia · © 1994; John Pallett-Plowright — freeware release. CC BY-ND 3.0 · complete game: notice and credits · License terms
• Cyberdogs — Ronny Wester · © 1994. Author-authorized freeware: notice and credits

DOSBox / js-dos 6.22.60: Emulator license · Credits and source details · Corresponding source.

Computer games

These games are made by their original authors. Their linked notices retain engine, artwork, sound, music and library credits. Heroes II and III game resources are supplied locally by the player.

• Frozen Bubble — License and author credits · Source.
• Blobby Volley 2 — License and author credits · Source.
• Jump ’n Bump — License and author credits · Source.
• Triplane Classic — License and author credits · Source.
• Sopwith — License and author credits · Source.
• Hedgewars — License and author credits · Source.
• Lure of the Temptress — License and author credits · Source.
• Dráscula — License and author credits · Source.
• X-Moto — License and author credits · Source.
• Widelands — License and author credits · Source.
• Beneath a Steel Sky — License and author credits · Source.
• Flight of the Amazon Queen — License and author credits · Source.
• Sołtys — License and author credits · Source.
• Sfinx — License and author credits · Source.
• God of Thunder — License and author credits · Source.
• OpenTyrian — License and author credits · Source.
• VCMI — Heroes III — License and author credits · Source.
• fheroes2 — Heroes II — License and author credits · Source.
• OpenTTD — License and author credits · Source.
• Warzone 2100 — License and author credits · Source.
• Neverball — License and author credits · Source.
• SuperTux — License and author credits · Source.
• LBreakoutHD — License and author credits · Source.
• Chroma — License and author credits · Source.
• Rocks’n’Diamonds — License and author credits · Source.

Sharing gameplay

Artwork and music can have different terms from a game engine. When sharing gameplay, follow the applicable game and music terms and retain required author credits, source and license links, and notices of changes.