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One Skill
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About the game
In One Skill you play Nico, a round little hero who has learned four different skills but can only carry one at a time. The rooms are platforming puzzles built around that limit: a pistol shoots enemies and switches, a cape gives a second jump in mid-air, a wand flips every on-off block in the room, and a pair of boots, the fourth skill, works with special blocks that only react to them. To change skill you have to walk to a skill post, so every room asks which skill you need, and where you will swap it.
The game starts with a short illustrated story and a tutorial level, then moves through day and night levels, each with its own music. It was made in fifteen days for a game jam and keeps the idea simple and the difficulty fair.
Playing it here
Vircon32 is a 32-bit virtual game console designed by Carra: a fantasy machine that never existed as hardware, with a 640x360 screen, 16 sound channels and a simple gamepad, built to be easy to program and to emulate. This game is a native Vircon32 cartridge, so it runs here in the console's official emulator, compiled for the browser; no BIOS or firmware from any company is needed, because the standard open source BIOS of the project is built in.
Click Play and press Enter to move through the story pages and the tutorial. The first level shows how skill posts work.
Controls
| Key | Console button | Action |
|---|---|---|
| Left / Right arrows | D-pad | run |
| X | A | jump (double jump with the cape) |
| Z | B | use the pistol or the wand |
| Up arrow at a skill post | D-pad up | change skill |
| Enter | Start | pause |
On a phone or tablet the console's buttons appear on screen, under the picture (or on the sides, with the device lying down). A game controller connected to the browser also works. F2 saves the emulator state and F4 loads it. The game's own saves are kept in your browser.
Tips
Look for the post before the puzzle. Find where you can swap skills first; the order of the swaps is the real puzzle.
Jump short with a tap. Releasing the jump key early lowers the jump, which is useful in rooms with low ceilings.
Use the wand like a switch. Blocks it flips can open a path or close one, so test it when you are safe.
Credits and licence
One Skill was made by Carra (Copyright 2023) and is free and open source under the 3-Clause BSD licence; by the repository's default the assets are under CC BY 4.0. The music is adapted from tracks licensed CC BY on OpenGameArt: "Automation (Looping)", "The Fable Begins (Looping)" and "Spooky Enchantment (Looping)" by Eric Matyas, and "8-bit Music Pack (Loopable)" by CodeManu. We built the cartridge ourselves from the author's source with the official Vircon32 tools; the licence text and the exact source are linked from this page.
Screenshots
