Chain Techniques
Chains separate beginners from experts. A basic clear removes three blocks. A well-constructed chain can obliterate the entire board in a single cascading reaction. Here's every known technique for building them.
What Is a Chain?
When you clear a group of blocks, everything above the gap falls. If those falling blocks land and form a new match, the game counts it as a chain, a second link in a sequence. If that second clear causes another match from falling blocks, you've got a third link. Each additional link dramatically increases the garbage sent to your opponent and the points awarded.
Setting Up Regular Chains
The most reliable way to build chains is to prepare them in advance. Raise your stack to about three-quarters height so you have material to work with, then look for vertical groups of three same-colored blocks that are ready to match. Before triggering the match, check the block directly above the group. Note its color, then place two blocks of that same color below the match point. When the top group clears and the overhead block drops, it lands on the two you placed and forms an automatic second link.
Extend this logic for longer chains: before triggering anything, examine what will be above each successive falling block and prepare matches for each level. A 4 or 5-hit pre-built chain is well within reach once you internalize the pattern. With practice, you'll start seeing chain setups instinctively across the entire board.
The Ten Skill Chain Techniques
Regular chains are pre-planned. Skill chains are built on the fly while a chain is already in progress. You're racing gravity itself, arranging blocks into matches before falling pieces land. Mastering even a few of these techniques will transform your game.
1. Quick Setup
The most forgiving technique. After triggering a clear, watch the block about to fall and immediately scan the board for two blocks of the same color below its landing zone. Swap them into position before the falling block arrives. No frame-precise timing required. Just fast eyes and faster hands.
2. The Slip
After blocks vanish from a clear, a brief gap exists before the pieces above collapse. During that window, slide a block horizontally into the gap. When the pieces above fall, the slipped block is now in a position to form a match it couldn't have reached otherwise. The timing is tight. Act too early and the gap doesn't exist yet; act too late and gravity has already closed it.
3. Triangle
A variation on the slip where you position a block to support a falling piece, which then clears horizontally with adjacent blocks. The name comes from the triangular spatial relationship between the three key blocks involved. Requires reading both the vertical and horizontal board state simultaneously.
4. Overhead Hit
Drop a block on top of two matching blocks at the exact moment during a fall. The three connect mid-descent and clear as a chain link. The critical detail: the match must happen during the fall, not after the block has settled. Mistiming by even a few frames turns a chain extension into a standalone clear worth nothing.
5. Late Grab
Three same-colored blocks are stacked vertically but separated by a single mismatched block in the middle. The trick is to swap the blocking piece out of the column at the last possible moment before gravity pulls the group. The upper blocks fall, bypassing the now-absent blocker, and align with the lower block for a chain-credited match. Grab too soon and the clear fires before the chain is active. Grab too late and the blocks settle without matching.
6. Late Drop
Two horizontal blocks are about to fall after a clear above them. You drop a third matching block at the edge of their landing row, timed so it arrives just as they settle. The three blocks complete a horizontal match that extends the chain. Multiple variations exist depending on whether the dropped block comes from the left, right, or above.
7. Double Cross
A chain block sits on top of a vertical clear, but the only available matching pieces are offset in two different positions. You need to execute two rapid swaps to move both pieces into the gap before the chain block lands. The critical rule: always start with the lower swap first, or the upper block gets trapped. Demands precise sequencing under time pressure.
8. Stealth
Moving a block two spaces without it accidentally triggering a match along the way. The game checks for matches constantly, so passing through an intermediate position that would form a line of three causes what competitive players call "premature clearing." The solution is to slide the block through the danger zone faster than the match detection can register it, typically by dragging the cursor with a rapid thumb motion across two inputs plus a directional tap, executed as a single fluid gesture.
9. Late Slip
A block is falling into a gap. You slip another block beneath it at the absolute last moment, within a single-frame window. On the SNES version, that's 1/30th of a second. On the N64, it's 1/60th. The slipped block acts as a platform, catching the falling piece mid-air where it matches with adjacent blocks for a chain extension. Widely considered one of the two hardest techniques in the game.
10. Midair Switch
Swap a block into a matching position while it's still falling. The switch must connect during the single frame where the falling block occupies the target space. Like the Late Slip, this operates on a one-frame window and is reserved for situations where no other technique can extend the chain. The margin for error is literally zero.
Garbage Chains
In versus mode, incoming garbage isn't just an obstacle. It's raw material. When you clear blocks touching a garbage block, the bottom row converts to regular colored blocks over roughly one second. Because you can see the colors forming during conversion, you can plan chains using the garbage itself.
The key insight: chain into the garbage with the highest available block. Each successive layer converts in sequence, giving you time to read the new colors and extend your counter-attack. Elite players can convert a massive garbage dump into a chain that sends back even more garbage than the original attack.
Time Lag
Sometimes a chain clear causes two separate groups to match simultaneously at different horizontal positions. If their timing is perfectly synchronized, the game counts them as a combo rather than separate chain links. But if the timing differs by even a fraction, because the blocks fell from different heights or traveled different distances, each match registers as its own chain link.
This timing quirk, called time lag, often occurs accidentally. Experienced players learn to exploit it deliberately by engineering clears at staggered elevations, squeezing extra chain links from situations that would otherwise resolve as combos.
Strategic Thinking
A common mistake is reaching for advanced techniques when simpler ones would work. A Quick Setup that succeeds is worth infinitely more than a Midair Switch that fails. The game awards no bonus points for difficulty. A chain link is a chain link regardless of how you built it. Default to the easiest technique available and escalate only when the board demands it.
The ultimate goal is what experienced players describe as entering a flow state where you stop calculating individual swaps and start perceiving the board as a single interconnected system. You see the chain before you build it. Every block has a role. The whole field moves as one.