About PRISMHOOF

Similar to: Celeste. If you like Celeste, PRISMHOOF is a free alternative you can play right here in your browser, with no download. More free games like Celeste → More free games like Mario →

PRISMHOOF is a precision platformer by BeluBruh123 that placed fifth overall at js13kGames 2026, where every game has to fit into 13 kilobytes. The Gloom has drained the colour from the Skyward Meadows, and you are the last unicorn, with the seven colours still in your horn.

Hold a key and the horn pours out a stream of rainbow that becomes solid wherever it lands. Where you fire it from decides what you get: on flat ground it burns away the Gloom, from an edge it builds a bridge, from a jump it makes a ramp, and in mid-air it lifts you. Clear the Gloom from each of the 13 courses to open the Rainbow Gate. The clock never stops, and a fall into the lava costs time, not lives.

How to play

Choose Play and press Enter to start.

Gallop with the arrow keys and jump with Space.

Hold Shift to pour a rainbow at the Gloom or across a gap.

Clear all the Gloom, then run through the Rainbow Gate.

Controls

Touch screen: joystick on the left, A = jump, B = air dash, X = rainbow, ↺ = retry

Left / right arrows or A / D: gallop

Space, W or Up arrow: jump (hold for height)

Down arrow or S: dive

K or X: air dash, once per jump

Shift (hold): pour a rainbow

C: whole-course view

R: retry the course

P or Esc: pause

Tips

Press C to see the whole course before you start running.

Pour the rainbow from an edge to bridge a gap you cannot jump.

Falling into the lava only costs time, so try the bold routes.

Devices

Plays on computers; works on phones and tablets with some limits.

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