Catan 6th edition vs 5th edition: every change that matters at the table

The 6th edition of Catan (2025) keeps the game’s rules almost the same. It adds new art, card trays and slightly bigger roads, prints the harbors on the frame, makes the 5–6 player colour purple, and replaces the Special Build phase with a paired-player rule. Cities & Knights swaps flip charts for boards. Old and new editions can be played together.

By the Hearthsea team
19 October 2026
4 min read

A painting of two copies of the same hex island board game side by side on a walnut table: an older set with worn tiles, separate harbor tokens and brown pieces on the left, a new set with bright tiles, harbors printed on the frame, purple pieces and wooden card trays on the right. — Same island, thirty years on. Most of what changed is in the box, not the rules.

The changes at a glance

The 6th edition came out in 2025 for the game’s 30th anniversary. Most changes are to the pieces and the rulebook. One rule change matters, and it only applies with 5 or 6 players.

Catan 5th edition vs 6th edition, from catan.com and CATAN Studio (checked 19 October 2026)
What	5th edition	6th edition
Extra players’ turn (5–6)	Special Build phase: everyone may build after each turn	Paired player: one player takes an action phase with the player whose turn it is
Harbors	Separate port tokens	Printed on the frame; port tokens now come with Seafarers
5–6 player colours	Green and brown	Purple replaces brown
Cards	Loose piles	Two card trays in the box
Roads	Standard size	Slightly larger wooden roads
Name of the expansions	“Extensions”	“Expansions” again
Cities & Knights	Flip charts, defender cards	City-improvement boards, defender tokens
Traders & Barbarians	Wagon cards	Wagon tiles
Base game price	6th edition launched at $49.99 (MSRP)

The paired-player rule for 5 and 6 players

This is the rule change worth learning. In the 5th edition, after each turn every other player got a Special Build phase. With six people that meant a long pause after every single turn.

In the 6th edition, one other player is paired with the player whose turn it is. That second player takes an action phase: they may trade with the bank, build and play one development card, but they may not trade with other players. Reviewers at CGMagazine found it speeds up the slow early game of 5–6 player Catan and gives a player who is behind a way back in.

Hearthsea already plays 5 and 6 player games this way: the player three seats to the left of whoever just finished takes the paired action phase, and the game shows whose phase it is.

Harbors, tiles and the board

The base game’s nine harbors are now printed on the sea frame, so they sit in fixed places. If your group liked moving harbors around for a variable setup, the port tokens are now in Seafarers. Players on r/Catan noticed: “Port positions were adjustable until the latest edition.”

The terrain hexes, number discs and robber work as before. The art is new across every hex and card, and the box has labelled spaces for every piece.

Seafarers and Cities & Knights in the 6th edition

Seafarers now carries the port tokens and adds tiles for the Wonders of Catan scenario. After selling out, its 6th edition stock was due back in May 2026.

Cities & Knights replaces the three flip charts with city-improvement boards and turns the defender cards into tokens. The rules of the barbarians, knights and progress cards are the same. Its shop page says it needs the 6th edition base game.

Explorers & Pirates 5–6 now has every terrain piece as its own hex.

Can you mix 5th and 6th edition pieces?

Yes, with one catch. catan.com says the editions can be used together, but some combinations have different card backs, so a mixed deck gives away which card is which. Card sleeves fix it, and CATAN Studio sells replacement cards in the new art. The purple 5–6 colour and the larger roads look different next to old pieces but play the same.

A Reddit thread from June 2026 is a common case: someone bought the 6th edition 5–6 Cities & Knights pack for a 5th edition base game and found the card backs didn’t match.

Should you buy the 6th edition?

You don’t own Catan yet: buy the 6th edition. It is the one in shops, and expansions are being reprinted for it.
You own the 5th and play with 3–4: keep it. The rules at your table don’t change.
You play with 5–6 every week: the paired-player rule is worth trying, and you can play it with your old box, since it is a rule and not a piece.
You want to try an expansion before buying it: play Seafarers or Cities & Knights free online first.

Questions people ask

What is the difference between Catan 5th and 6th edition?

The 6th edition has new art, card trays, larger roads, harbors printed on the frame and purple as the 5–6 player colour. Its one rule change replaces the 5–6 player Special Build phase with a paired-player action phase.

Is Catan 6th edition compatible with 5th edition?

Yes, according to catan.com, the editions can be played together. Some combinations have different card backs, so sleeves or CATAN Studio’s replacement cards keep mixed decks hidden.

What is the paired player rule in Catan?

With 5 or 6 players, one other player is paired with the active player and takes an action phase: trade with the bank, build and play one development card, but not trade with other players.

Does Catan 6th edition have harbor tokens?

No. The base game’s harbors are printed on the frame. Separate port tokens now come in the 6th edition of Seafarers.

Do 6th edition Cities & Knights need the 6th edition base game?

CATAN’s shop says the 6th edition Cities & Knights requires the 6th edition base game. catan.com adds that editions can be combined, with sleeves for mismatched card backs.

Can I play the paired-player rule online?

Yes. Hearthsea runs 5 and 6 player games with a paired action phase, free in the browser, in Classic, Seafarers and Cities & Knights.

Sources

Checked on 19 October 2026:

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CATAN is a registered trademark of Catan GmbH. Hearthsea is an independent game and is not affiliated with, endorsed by or sponsored by Catan GmbH or its publishers. Other game names belong to their owners and are used here only to describe and compare.