Web app · Games
Fox Knight: Sky Isles
Jump across floating islands, stomp slimes, collect gems, and defeat the boss in this hand-painted platformer.

You play as a brave fox knight exploring sky isles suspended in the clouds. The game asks you to navigate treacherous floating platforms, avoid or defeat enemies by jumping on them, gather glowing gems along the way, and ultimately face down a powerful boss. Each island grows more challenging, testing your timing and platforming skill.
What it does
You control a fox knight who jumps between platforms made of grass and clouds. Slimes patrol the islands—jump on them to stomp them flat. Collect turquoise gems scattered across each level to build your score. Three islands lead you toward a final confrontation with a purple boss creature. When you take damage, you lose a heart; collect hearts to stay alive. Reach the flag at each level's end to advance.
Key features
- Three island levels Progress through three distinct floating islands, each introducing new challenges.
- Stomp enemies Jump on slimes to defeat them; avoid their attacks or lose a heart.
- Collect gems Pick up gems throughout each level to increase your score, with a gem counter showing your goal.
- Boss battle Face a large purple boss at the end of your journey to complete the game.
- Hand-painted art Characters and environments drawn with warm cel shading and thick outlines.
- Sound effects and music Audio feedback for jumps, landings, gem collection, and combat, with background music for each section.
How to use it
- Press play to start the first island.
- Use arrow keys or WASD to move left and right, and spacebar or up arrow to jump.
- Jump on slimes to stomp them and collect gems as you find them.
- Reach the flag at the end of each island to move to the next level.
- Survive three islands and defeat the boss to win.
Who it’s for
Players who enjoy platformers with simple controls, colorful art, and light action. Suited for all ages.
What’s new in this version
The latest update fixed a bug where hitting an enemy would freeze the game. Hearts now sit below the score for clarity, the character keeps its correct shape during play, and the gem counter displays your collection goal.
The app’s share card (1200×630)
Questions and answers
How do I move and jump?
Use the left and right arrow keys (or WASD) to move across platforms, and press spacebar or the up arrow to jump. Jump on slimes to defeat them.
Do I lose progress if I close the game?
The code shows checkpoints within levels, but whether your progress between sessions is saved depends on your browser settings.
Can I play this on my phone?
This web app runs in any modern browser, including mobile browsers, though touch controls may vary depending on your device.
What happens if I run out of hearts?
When you lose all your hearts, you lose one life and restart from the last checkpoint on that island.
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