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Controls and the combat loop

How to play I'm an expert

The store text and the on-screen legend already describe the whole loop: match the ring color to a key, keep attacking so the health bar recovers, and beat the last enemy.

Keys the HUD actually prints

Seven of the eight store screenshots, plus the full 14-second trailer, show the same legend in the lower left. I copied only the words that are printed there. The green hexagonal marker appears in screenshot 4 and around the 11-second mark of the trailer, and neither place prints a key for it.

• Esc — Pause/Continue.
• D — Attack Red Enemy. Screenshots 1, 2, 7, and 8 put a D in the centre circle while the target wears a red ring.
• K — Attack Yellow Enemy. Screenshots 3, 4, and 5, and the trailer, put a K in that circle on a yellow ring.
• Green — the marker is visible. The key is not. The cell stays an em dash until a later screenshot or a patch names it.

Nothing public says whether those keys can be rebound. I am not filling that in.

What the store text says happens

yanchangyu3 describes an action racing game. You attack a specific type of enemy by pressing the designated key quickly enough to clear the level. From the opening moment the character loses health. At zero health the game is over. Continuous attacks restore health. Defeating the last enemy wins.

That is the whole published rule set. There is no public stage list, no difficulty menu, and no posted clear time. Steam guides for the app: none. Discussion topics on 11 Nov 2026: none. I am not writing a walkthrough on top of that silence.

What else is painted on the screen

• A white score sits in the upper area. Frames show 10, 40, 60, 90, 110, 170, and 400. The trailer also shows 80.
• A teal bar sits at the bottom centre. That matches the “health reaches zero” sentence.
• A blue Kill badge sits on the current target.
• Hits flash Good and +10. I read that as a combo or score pop, not as a damage formula. No number for damage is published.
• The camera is behind a sword fighter in a night forest with twisted trees. Store tags include Quick-Time Events, Score Attack, Hack and Slash, Combat Racing, Third Person, and Cartoony.

Reading the loop, not a clear video

Three readings follow from the text and the frames, and I label them as readings. Look at the ring color before you look at the creature, because the legend maps color to a key. The centre prompt and the Kill badge show up together, so the prompt is the key for that beat. Health drains on its own, so the store’s “press quickly” line is also the survival line. I do not claim that a wrong key deals no damage. No source says that.

Play the official trailer

Official Steam store trailer; this video copy has been hosted here since 11 November 2026.

Updated 2026-11-11.