Pack
Longest rivers
Which river runs longer?
64 lotsUnlocks at level 8
Every lot is a river. Each duel is won by the longer river, in kilometres from source to mouth, revealed only in the arena.
Judged on
Every lot is compared on one number: Length.
Ratings are never shown. You bid on what you believe, then the arena reveals who was right.
How a match works
- Auction. Twelve of the 64 lots come up one by one. Both players start with twenty coins.
- Lineup. Each player secretly assigns their five lots to the five duels: Length.
- Arena. The five duels play out and every lot adds its power. The side with the bigger total takes the match, however the individual duels fell.
All 64 lots in Longest rivers
- NileEgypt's gift, argued over as the world's longest
- AmazonCarries more water than the next seven rivers combined
- YangtzeChina's long river, dammed at the Three Gorges
- Mississippi–MissouriMark Twain's highway through the American heartland
- YeniseiSiberia's great river, frozen half the year
- Yellow RiverChina's sorrow, the cradle of its civilisation
- ObDrains western Siberia into the Arctic
- ParanáFeeds the Iguazú falls and the Río de la Plata
- CongoThe deepest river on Earth, through the heart of Africa
- AmurThe black dragon river between Russia and China
- LenaFlows north past Yakutsk to the Laptev Sea
- MekongMother of waters through six countries
- MackenzieCanada's longest, into the Beaufort Sea
- NigerBends through the Sahara before turning back to the sea
- BrahmaputraTibet's Yarlung Tsangpo, reborn in Assam
- Murray–DarlingAustralia's lifeline through the outback
- TocantinsBrazil's river of the toucan's beak
- VolgaMother Volga, the longest in Europe
- MadeiraThe Amazon's biggest tributary
- YukonGold rush highway through Alaska
- IndusGave India its name and Pakistan its farms
- Syr DaryaCentral Asia's jaxartes, drained by cotton
- SalweenWild river through Yunnan and Myanmar's gorges
- Saint LawrenceDrains the Great Lakes to the Atlantic
- Rio GrandeThe border river between Texas and Mexico
- ColoradoCarved the Grand Canyon and rarely reaches the sea
- DanubeTen countries, four capitals, one waltz
- IrrawaddyMyanmar's road to Mandalay
- EuphratesFırat, one of the two rivers of Mesopotamia
- ZambeziPlunges over Victoria Falls, the smoke that thunders
- GangesSacred Ganga, bathed in by millions
- Amu DaryaThe ancient Oxus, Alexander's frontier
- NelsonDrains Lake Winnipeg to Hudson Bay
- ParaguayWinds through the Pantanal wetlands
- KolymaSiberia's river of the gulags, gold under permafrost
- OrangeSouth Africa's longest, diamonds at its mouth
- UralThe traditional line between Europe and Asia
- DnieperKyiv's river, the spine of Ukraine
- OrinocoVenezuela's river with dolphins and a hundred mouths
- ColumbiaDams, salmon and the Pacific Northwest
- DonCossack river of Sholokhov's novels
- TigrisDicle, the swifter of Mesopotamia's twins
- OhioThe beautiful river that fed the Mississippi's trade
- GodavariSouth India's Ganges, sacred and wide
- KrishnaWaters the Deccan's cotton and rice
- YamunaFlows past the Taj Mahal to meet the Ganges
- KızılırmakThe red river, Türkiye's longest, looping through Anatolia
- NarmadaIndia's westward-flowing holy river
- RhineCastles, vineyards and Rotterdam's harbour
- ElbeFrom Bohemia past Dresden and Hamburg
- VistulaPoland's river through Kraków and Warsaw
- LoireFrance's royal river of châteaux
- TagusTejo, from Spain's plateau to Lisbon's bridge
- EbroSpain's mightiest, into a delta of rice
- MeuseMaas to the Dutch, through Ardennes and polders
- SakaryaAnatolia's river that once bounded the Hittite heartland
- RhôneAlpine glacier water rushing to the Mediterranean
- SeineParis's river, bridges and bouquinistes
- PoItaly's plain-maker, from the Alps to the Adriatic
- HudsonNew York's river, wide enough for a Dutch dream
- TiberRome was founded on its banks
- ShannonIreland's longest, lakes strung like beads
- ThamesLondon's river, from the Cotswolds to the estuary
- JordanThe baptismal river, now barely a stream