Undo Move item – Undo your last move and go back to the start of your turn

When you regret the move you just played, it’s an item that undoes both the card you played and the computer’s reply and takes you back to the start of your turn.

At a glance

What kind of item is it?

In Hwatu you can’t take back a card once played, so there are moments when you think ‘Oh, I should have played a different card.’ Undo Move is an item for exactly that moment. If you use it on your turn, the round goes back to when your turn had just begun.

Rewinding undoes two moves at once: the card you played, and the card the computer answered with next. After rewinding, it looks as if your turn has just begun again.

Let’s look at the effect in detail

Let’s check with an example (calculated with the game engine)

This is a round where your turn has just begun. You played a Mar Ribbon. The cards you captured with that move were Mar Bright, Mar Ribbon, May Animal and May Junk, and then the cards the computer captured were Jun Animal and Jun Junk. We checked with the engine what happens if you use Undo Move when your turn comes around again.

The round after the undo was exactly the same as at the start. The hand, the table cards, the kinds of cards you had captured and even the order of the deck all came back identical, and the number of times Undo was used in this round was recorded as one.

• What gets restored: the positions of the cards, the order of the deck, the points and number of Go calls, the round’s state such as Shake and Ppeok, and whose turn it is.
• Because the order of the deck stays the same, if you play the same card again, the same deck card is flipped. That means you can replay knowing the deck card you’ve already seen.
• An undone move is not kept in the game record.

How to use

1. Step 1 When it’s your turn and you need to play a card, tap the Undo Move picture on the item shelf. The item pictures are arranged in 2 columns and 5 rows. Hover over one with the mouse and a small tooltip shows its effect (or the reason you can’t use it).
2. Step 2 The game pauses briefly, the screen dims, and an ‘Item’ description window opens. A large picture is on the left; the name, HP price and effect description are on the right.
3. Step 3 Press [Use] and it takes effect right away. If you have an owned copy from a gift, it goes down by 1 (HP isn’t used); if you have none, the price is deducted from your HP.
4. Step 4 When you can’t use it right now, [Use] is dimmed and the reason appears in red text (for example: Not enough HP, Can only be used on your turn).
5. Step 5 If you’d rather not use it and just close the window, press [Close] (or the Esc key). The item and your HP stay as they were, and the game continues.

Item
	Undo Move 250 HP Undo your last move and go back to the start of your turn. The card you played and the computer’s reply are undone too. Once per round; not usable after Go/Stop, Shake, or Bomb. Owned N — no HP used  /  My HP ○○ → after use △△
UseClose

The picture above shows the description window redrawn as text. ○○ and △△ show your own HP.

You can also use the keyboard: Enter or Space = press the selected button, Left/Right arrow keys or Tab = move between buttons.

When you press [Use], the game first checks ‘can I undo right now?’ and only charges you if it can. So you never lose HP when the item can’t be used.

When is a good time to use it?

• When you notice that the computer captured good cards because of the card you played, you can return the round to its earlier state and think again.
• Because it’s only once per round, you can also save it for a moment when the flow of the round seems likely to change a lot rather than a small slip.
• You can’t undo after Go/Stop, Shake, or Bomb. It’s best to decide whether to use it before making a big choice.
• There’s no guarantee that the result after rewinding will always be better.

Things to watch out for and limits

These are the conditions for use set by the game.

When you can’t use it, and what the screen says (decided by the game engine)

A move where you said you would not Shake isn’t a declaration, so it can be undone. Playing a Bonus Junk doesn’t use up your turn, so that point can become the rewind target.

HP and the daily gift

Items are paid for with HP (Healing Points). The moment you press [Use], HP goes down by the price, and if you don’t have enough HP you can’t use it (your balance never goes negative). HP can be earned as a reward for winning a round or making a great hand.

An item received as a gift is shown next to its shelf picture as ×count. When you use that item, one owned copy is used first instead of HP, and HP doesn’t go down. If you have an owned copy you can use it even when you’re short of HP (the once-per-round limit still applies, though).

Frequently asked questions

All 10 items at a glance

Tap a name to go to that item’s post. All ten can be used now.

Learn more

· See all game item posts
· HealingMatgo Hand Guide (if you’re curious about scoring and rules)
· Download the game → https://healingmatgo.com/download

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