All eight mahjong jokers should match the rest of your set in size, thickness, finish and feel. Jokers appear in most games, and a single mismatched joker is the kind of small problem that annoys four people all afternoon.
It is easy to judge a set by its artwork and forget the jokers. This guide explains what jokers do, why a mismatch matters, where mismatches come from, and how to test a set in five minutes.
Key takeaways
- An American set has 8 jokers among its 152 tiles, and they should be the same size and finish as the other tiles.
- A taller or thicker joker can catch when you push the wall, and a joker that looks or feels different can reveal who is holding one.
- Mismatches are most common in older, inherited or mixed sets where a lost joker was replaced.
- You can check a set with a side-by-side line-up, a wall push test and a look at the backs.
- Natural variation, such as pearl marbling, is different from a real size or finish mismatch.
What jokers do in the game
A joker is a wild tile with some firm limits. It can stand in for a tile only in a group of three or more identical tiles. It can never stand in a pair, and it can never be a single. A discarded joker can never be called, not even for Mahjong. Jokers also can never be passed in the Charleston or the courtesy pass.
On your own turn you may also swap a natural tile for an exposed joker, if you hold the tile that joker stands for. You can do this with any player's exposure or your own. For the full list, see jokers: what they can replace.
Why a mismatch matters
A mismatch can show up in a few different ways.
It snags
The surface of a wall follows its tallest tile. A joker taller by even a fraction of a millimeter can catch on a neighbor when you push the wall forward, and the whole row shifts. Tiles that are thicker than their neighbors can also make a stack lean.
It shows
If a joker has a different shade, weight, finish or back color, players may be able to tell by look or by feel when someone picks one up or holds one. In a game where jokers are valuable, that is information nobody wants to give away, and nobody wants to feel suspicious about.
It interrupts
When someone has to stop to straighten a wall or re-stack a joker, the game pauses. One pause is nothing. Dozens over an afternoon wear on a group's patience, especially for beginners who are trying to concentrate on the card.
Where mismatches come from
- Older or inherited sets. A joker is lost, and years ago someone replaced it with a near match. See gifting a player who uses an heirloom set if that sounds familiar.
- Mixed sets. Tiles from two boxes get combined to make one full set.
- Replacement tiles. A tile bought separately may be close, but rarely identical.
- Different production runs. Even new tiles from separate batches can differ slightly.
If you are buying a new set, ask whether all 152 tiles, jokers included, come from the same production run. See how many tiles are in an American mahjong set for the full count.
How to check a set when it arrives
You do not need tools. Do these checks on a clean table with good light.
- Count the jokers. You should find eight. If you have fewer, stop and contact the seller.
- Line them up. Stand the eight jokers in a row next to eight ordinary tiles. Look from the side at table height. The tops should line up evenly.
- Compare thickness. Stack a joker on top of an ordinary tile and see whether the edges are flush.
- Check the backs. Turn the tiles face down and compare their backs under the same light. Shade and finish should look alike.
- Feel them. Close your eyes and pick up a joker, then an ordinary tile. They should feel like the same material and weight.
- Push a wall. Build a short wall that includes a joker or two and gently push it forward. It should glide, not rock or catch.
Quick reference
| Check | How | What you want to see |
|---|---|---|
| Count | Sort jokers into a row | Eight |
| Height | Line up beside ordinary tiles, look from the side | Even tops |
| Thickness | Stack a joker on a regular tile | Flush edges |
| Back | Turn face down, compare in the same light | Same shade and finish |
| Feel | Pick up with eyes closed | Same material and weight |
| Wall push | Push a short wall with jokers in it | Smooth glide |
Natural variation versus a real mismatch
Not every difference is a defect. Some materials are made to vary a little. Our tiles, for example, are pearlescent acrylic, and the pearl marbling varies slightly from one tile to the next. That is the look of the material. It is different from a joker that is taller, thicker or noticeably different in finish, which is the kind of mismatch you should flag.
A good rule: variation in the pattern inside the material is normal for some sets. A difference in size, thickness, weight or surface finish is not. If you are unsure, compare the joker with several ordinary tiles, not just one.
What to do if one does not match
- New set: contact the seller promptly, with a clear photo from the side. For our own sets, the 30-day money-back guarantee counts from the delivery date, and you can write to support@mysolamz.com.
- Older or inherited set: decide with your group. Many families simply accept a replacement joker as part of the set's story. If it snags, you might ask your group to build the walls with that joker in a spot where it does not matter, or to look for a closer match.
Whatever you decide, agree on it before the first hand, so nobody feels surprised mid-game. Our guide to two sets, two jobs explains why some groups keep a sentimental set for special days and a newer set for everyday play.
Try it at your next game
Before you start, line up your eight jokers beside eight ordinary tiles and look at them from table height. It takes ten seconds. Then, as you build the walls, notice whether any wall rocks when you push it. If it does, find the tile that causes it.
Not sure how the official rules treat jokers each year? The National Mah Jongg League publishes the annual card, and your group's house rules should be settled before play.
Frequently asked questions
How many jokers are in an American mahjong set?
Eight. They are part of the 152 playing tiles, not additional to them. Some retail sets add spare tiles, which can be extra jokers, but those are not needed for play.
Can a joker be used in a pair?
No. A joker can stand in only for tiles in groups of three or more. It can never be used in a pair or as a single. Declaring Mahjong with a joker used that way makes your hand dead.
Can you pass a joker in the Charleston?
No. Jokers can never be passed in the Charleston or the courtesy pass. Flowers can be passed.
Do all eight jokers have to look identical?
Not necessarily. Some sets use different artwork on different jokers. What matters for play is that the size, thickness, weight and finish match the rest of the tiles, so no joker stands out by shape or feel.
What if my set has only seven jokers?
Contact the seller or find a replacement that matches as closely as you can. Play with a short set will feel unbalanced, since every joker shifts the odds of making a hand.
Is a slightly different pearl pattern a defect?
Not if the tile has the same size, thickness and finish. Marbling that varies from tile to tile is a feature of some pearlescent materials. If the joker is also taller or feels different, treat that as a real mismatch.
About our sets. A SOLMAY American mahjong set has exactly 152 tiles (36 dots, 36 bams, 36 craks, 16 winds, 12 dragons, 8 flowers and 8 matching jokers), each 35 x 25 x 11 mm, with original artwork UV-printed on glossy pearlescent acrylic. Sets are printed to order in Vietnam. Racks, pushers, mats, bags and the yearly card are not included. See the mahjong sets.
Keep reading
These guides follow the way American mahjong is commonly played with the National Mah Jongg League card. Groups sometimes add house rules, so agree on yours before the first hand, and always use the current year's official card. SOLMAY is not affiliated with the NMJL.
