Best 4-player expansion for base-games

Carcassonne The Expansion (2002)

2–6 players · 60 min · ★ 7.6

Carcassonne Traders & Builders (2003)

2–6 players · 60 min · ★ 7.6

The Cities and Knights of Catan (1998)

3–4 players · 90 min · ★ 7.5

The Seafarers of Catan (1997)

3–4 players · 90 min · ★ 7.2

Advanced Civilization (1991)

2–8 players · 360–480 min · ★ 8.0

Carcassonne The River (2001)

2–5 players · 30–45 min · ★ 7.0

Citadels The Dark City (2004)

2–8 players · 60 min · ★ 7.0

Carcassonne The Princess & the Dragon (2005)

2–6 players · 60 min · ★ 6.8

A Game of Thrones A Clash of Kings Expansion (2004)

3–6 players · 120–180 min · ★ 7.8

Lord of the Rings Friends & Foes (2001)

2–5 players · 90 min · ★ 7.3

BANG! Dodge City (2004)

3–8 players · 20–40 min · ★ 6.9

Munchkin 2 Unnatural Axe (2002)

3–6 players · 90 min · ★ 6.4

RoboRally Armed and Dangerous (1995)

2–8 players · 90 min · ★ 7.8

PitchCar Extension 1 (1997)

2–8 players · 20 min · ★ 7.6

Munchkin 3 Clerical Errors (2003)

3–6 players · 90 min · ★ 6.5

Carcassonne King & Scout (2003)

2–5 players · 45 min · ★ 6.6

RoboRally Crash and Burn (1997)

2–8 players · 120 min · ★ 7.8

HeroQuest Return of the Witch Lord (1991)

2–5 players · 120 min · ★ 7.2

HeroQuest Kellar's Keep (1991)

2–5 players · 120 min · ★ 7.2

Civilization West Extension Map (1986)

2–7 players · 360 min · ★ 7.8

Space Hulk Deathwing Expansion (1990)

1–4 players · 45 min · ★ 8.0

Lord of the Rings Sauron (2002)

3–6 players · 120 min · ★ 6.9

Heroscape Expansion Set Malliddon's Prophecy (2004)

2–4 players · 60 min · ★ 7.7

Age of Steam Expansion #1 England & Ireland (2003)

3–6 players · 180 min · ★ 8.1

Alhambra The Vizier's Favor (2004)

2–6 players · 45–60 min · ★ 6.9

RoboRally Grand Prix (1997)

2–8 players · 120 min · ★ 7.8

Bohnanza Erweiterungs-Set (Revised Edition) (2001)

3–7 players · 60 min · ★ 7.0

BANG! High Noon (2003)

4–7 players · 30 min · ★ 6.7

Heroscape Expansion Set Utgar's Rage (2005)

2–4 players · 60 min · ★ 7.8

RoboRally Radioactive (1998)

2–8 players · 120 min · ★ 7.5

Jungle Speed The Extreme Expansion (2003)

2–15 players · 15 min · ★ 7.1

Alhambra The City Gates (2004)

2–6 players · 60 min · ★ 7.1

For King and Country ASL module 5a (2003)

2–6 players · 240 min · ★ 8.6

Runebound The Island of Dread (2005)

2–6 players · 120 min · ★ 7.2

Ursuppe Frisch Abgeschmeckt (1998)

3–6 players · 90 min · ★ 7.3

Age of Steam Expansion #3 Scandinavia and Korea (2004)

3–6 players · 120 min · ★ 7.8

Talisman Expansion Set (1986)

2–6 players · 120 min · ★ 7.0

Carcassonne The Count of Carcassonne (2004)

2–6 players · 60 min · ★ 6.0

Age of Steam Expansion #2 Western US and Germany (2003)

3–6 players · 120 min · ★ 7.8

Die Siedler von Catan Das Buch zum Spielen (2000)

2–6 players · 60 min · ★ 7.3

More Cosmic Encounter (1992)

2–8 players · 90 min · ★ 7.7

Bohnanza Erweiterungs-Set (1997)

3–7 players · 45 min · ★ 7.0

Talisman The Adventure (1986)

2–6 players · 240 min · ★ 6.9

The El Grande Expansions (2000)

2–5 players · 90 min · ★ 7.4

HeroQuest Wizards of Morcar (1993)

2–5 players · 120 min · ★ 7.5

Shadows of Kilforth A Fantasy Quest Game (2019)

1–4 players · 45–180 min · ★ 8.1

Zombies!!! 2 Zombie Corps(e) (2002)

2–6 players · 60–120 min · ★ 6.0

The Talisman Dungeon (1987)

2–6 players · 240 min · ★ 6.5