Web app · Games
Fox Knight: Sky Isles
Jump across three floating sky islands, stomp slimes, grab gems and defeat the boss as a courageous fox knight.

Explore floating sky islands as a fox knight in this action platformer. You navigate between islands by jumping carefully, defeat slimes by landing on them, and collect shining gems along the way. The game plays through three challenging levels, each with its own island layout and obstacles, before a final boss confrontation. Your health is shown on screen, and checkpoints let you restart from your progress.
What it does
You control a fox knight on a series of floating islands suspended in the sky. Use arrow keys or on-screen controls to move and jump between platforms. Land on slimes to stomp them and earn points. Collect cyan gems scattered across each island to progress. The game tracks your score, gem count, and remaining lives. Beat three levels and then face the boss character to complete the game.
Key features
- Three island levels Each level presents a new floating island layout with platforms, slimes, and gems to collect.
- Stomp mechanic Jump on slimes to defeat them and earn points; they disappear when hit from above.
- Gem collection Gather gems to build your score; the gem counter shows how many you have collected.
- Health system You have multiple hearts displayed on screen; getting hit by enemies or obstacles costs one heart.
- Boss battle Face a purple boss character at the end who challenges you to stomp it and avoid its attacks.
- Checkpoint saves Golden checkpoints within levels let you resume from that point if you lose a life.
How to use it
- Open the game and press Start to begin on the first island.
- Use arrow keys or touch controls to move left and right.
- Jump by pressing the jump button; time your jumps to reach other platforms.
- Land on green slimes to stomp them; avoid their sides or you will get hit.
- Collect turquoise gems by jumping over them.
- Reach the level exit or checkpoints to progress; after three levels, defeat the boss to win.
Who it’s for
Players who enjoy colorful 2D platformers with simple jumping mechanics and enemy-stomping action, from casual players to those seeking a short adventure game.
What’s new in this version
Recent fixes ensure the fox character holds its shape during jumps, the gem counter displays its goal amount, hearts sit below the score for clarity, and hitting enemies no longer freezes the game. The fox now faces the direction it runs.
The app’s share card (1200×630)
Questions and answers
How do I stomp a slime?
Jump and land directly on top of a slime from above. If you hit it from the side, you will take damage instead.
Does the game save my progress?
The game has checkpoints within each level that you can restart from. When you beat a level, you move to the next one.
Can I play this on my phone?
Yes; the game works in a web browser on phone, tablet, or desktop with touch or keyboard controls.
What happens when I run out of hearts?
You lose a life and restart from the nearest checkpoint or the start of the level. Collect hearts or reach a checkpoint to save your position.
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