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 duels play out. Win three of five, or take the bigger power share, and the match is yours.
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