How to play

If you are new to this website, this is a good place to start.

Basic actions

The basic principle of Worldwide Combos is that you need to fill the lines of the grid with blocks. Once a line is filled, is disappears, preventing you from topping out.

When you play, you use one block at a time. You can do the following moves with it.

  • Move the block left or right.
  • Move the block down quicker or instantly.
  • Rotate the block clockwise, counterclockwise, or 180°.
  • Put a block aside, or "hold" it (with the Caps key). If you already used this since the begining of the game, then your current block is replaced that the one you were "holding", otherwise you get the next piece.

There is a key for every action that is defined above. These key binds can be viewed and edited in the Settings.

The playing field

When you play, your side looks like this.

A nice picture should appear here.

  1. your country flag, your username and your rating (1000 if there is no rating in the mode you're currently playing);
  2. your field
  3. your current block, which is falling down every second;
  4. your current block's ghost, in order to help you see where it's going;
  5. the block you are currently holding (assuming you are holding one);
  6. the number of times your opponent was knocked out;
  7. the number of lines you sent;
  8. informations about what you did (see "Sending lines above")
  9. your upcoming blocks (your next block is the one at the top, and so on);
  10. the remaining time.

Speed tunings

When you try to move left, right or down, and hold the key, your block first moves by one line or one column, then after some amount of time the block starts moving at a higher rate. Theses rate are defined by the Delay and Repeat values. As for the key binds, you may customise them in the Settings. Values have to be filled in milliseconds.

Note that, putting lower delay and repeat rates may help you play faster, but putting too low values may result in losing control and misdropping your blocks (this is usually annoying).

The "Gravity" tuning lets you decide at which speed blocks fall. This value has to be at most 1000 milliseconds.

When playing multiplayer modes, there is an option called "Tuning limit". It means that players' speed tunings are increased, if necessary, to 150/25, 25/25. This does not change players speed tunings, as the change is made for a particular round only.

Handicap types

Handicap types are made to make your survival harder. In Multiplayer and Ghostbuster modes, handicap lines are sent when your opponent makes specific line clears. In Survivor and Elite Survivor modes, handicap lines appear at regular time intervals.

There are three handicap types, but according to what you are playing you might or might not change the current handicap type. In Survivor and Elite Survivor modes, the handicap type is either handicap with holes or handicap with bombs. In Ghostbuster mode, the handicap type is either solid handicap or handicap with bombs. In Quickplay mode, the handicap type is either handicap with holes or handicap with bombs. In Custom rooms, the handicap type can be anything, and it is determined by the room creator.

In games modes else than Survivor and Elite Survivor, incoming lines are visible on the bar which is located on the grid's right. Handicap lines only appear after the next block has been placed. If the incoming lines appeared less than 500ms ago, or if you clear lines while you had incoming lines and the handicap blocking option is enabled, the handicap lines do not appear, and according to the number of lines you should have sent to the opponent, part of them are removed. The remaining ones might still appear after you place the next block, if you don't clear any line at that time. All competitive modes (Quickplay, etc.) have handicap blocking enabled, yet it can be disabled in Custom Games.

When you top out for any reason, the handicap lines on your side are partly or entirely removed, depending on your stack's height and the handicap type.

Solid handicap

Solid handicap basically consist of filled lines. Since it is not possible to clear them in the normal way, in order to get rid of them one has to clear lines on their side. Then, while that player was handicap lines at the bottom of the grid, lines that should be sent to the opponent are not sent and are replaced by handicap line removals.

Handicap with holes

Handicap with holes are lines with 9 slots out of 10 that are occupied. Such lines are cleared in the same was as usual lines are. The hole's positions are determined randomly. However, when several lines are sent by placing one block, all these lines have their hole at the same position.

Handicap with bombs

Handicap with bombs are filled lines, but one of the 10 slots contains a bomb. Such lines are cleared by placing a block right above the bomb's position. The bombs's positions are determined randomly. However, two consecutive bombs cannot be in the same column.

different position.

Sending lines

In usual and allspins rules the number of lines that are sent is computed as follows. Note that scores below are cumulative.

Basic line clears

NameLines sent

Please note, that clearing a single line does not send lines to the opponent. In deadline rules none of these send additional lines.


NameLines sent
Spin Single2
Spin Double4
Spin Triple6
Spin Quadruple8

When you place a block in a way such that the block cannot be moved from that position without rotating it, then you make a Spin. Usual attacking rules only recognize Spins made with the T-shaped block, allspins rules recognize them all, and deadline rules recognize none of them.


A k-combo is made in one of the following ways:

  • in usual and allspins rules, when you clear lines with k+1 consecutive blocks;
  • in deadline rules, when you manage to get k+1 line clears while making each of the line clears before the specified deadline. This deadline is equal to Math.min(dl[k], Math.max(Math.floor(dl[k]/4),pdl-1)+lc) where k is the combo count, lc is the number of lines cleared, dl[k] is the maximal deadline specified in the table below and pdl is the current deadline state when the line clear is made.
In all these rules, the exact amount of lines sent depends on both the combo count and the number of handicap lines that you cleared.

Let's assume a player just did a k-combo after clearing h handicap lines, then the number of lines sent is Math.min(Math.max(1, h), l(k)) where l(k) is the maximum number of lines you can send with a k-combo. This maximum is described in the table below.

Combo countMax. lines sent (usual / allspins)Max. lines sent (deadline)Max. deadline


A Back-to-back is made, when two consecutive line clears are made in one of the following ways:

  • with the usual attacking table, quadruples, quintuples, T-Spins (Single, Double, Triple, Quadruple);
  • with the allspins attacking table, all the spins (Single, Double, Triple, Quadruple).
There are no back-to-backs in Deadline rules. Please note, that it is not necessary to make those two line clears with two consecutive blocks. The Back-to-back bonus is always 1 line in the usual attacking table. In the allspins attacking table, the bonus is 2 if the two last spins were made with two blocks of different shapes, 1 otherwise.

Perfect clears

A perfect clear is made when the player's field is empty. Performing a perfect clear sends 10 lines regardless of the ruleset.

Anti-stalling system

The anti-stalling system is made to avoid people not play in order to not being KO'ed. The current block is locked after 10 seconds.

Tuning limit

Tuning limit restricts players' speed on purpose. Speed tunings are locked to 150/25, and 25/25/1000. Also, there is a delay after every line clear. This delay's duration is 200ms, plus 50ms by line cleared (for instance, 400ms for a quadruple).

Worldwide Combos 3.7.1 - Noël Nadal - logo by Legitimate Ted
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