| 221 | Great Lakes Quiz |
| 220 | Longest Rivers in a Single Country |
| 213 | Bodies of Water by Letter - M |
| 210 | Top 10 Continental Countries by coastline |
| 211 | rivers in belgium |
| 210 | Countries in the "Water Hemisphere" of the Earth |
| 208 | Countries that Border Multiple Oceans |
| 207 | U.S. States Closest to the Atlantic Ocean Without a Shoreline |
| 207 | Name the City on the River (Great Britain & Ireland) |
| 206 | Flags of Red Sea Countries |
| 201 | Answers Contain "Ocean" |
| 200 | Bodies of Water from Odessa to the Ocean |
| 200 | Random Lakes by Clue |
| 199 | Countries with the Largest Lakes |
| 192 | Famous Rocks and Stones |
| 188 | Biggest Seas of Europe |
| 187 | Rivers of the UK - sudden death |
| 186 | Columbia River Basin on a Map |
| 185 | Coastal U.S States |
| 183 | Gulfs by Clue |
| 178 | Countries of Asia by Rivers in 30 Seconds |
| 179 | Click the Seven Seas |
| 176 | Bodies of Water around Africa |
| 173 | Lakes on Borders |
| 173 | Biggest Cities on the Mississippi River on a Map |
| 173 | Trace The Coast And International Borders Of Brazil |
| 171 | 5 Closest U.S. States to Every Great Lake |
| 170 | Capitals located on the same river |
| 170 | Maritime Disasters Quiz |
| 169 | Coasts of Florida |
| 168 | 25 longest rivers in Europe |
| 168 | Longest Rivers In All Countries |
| 167 | Countries Across the Ocean from India |
| 166 | Bodies of Water from Kuwait City to the Ocean |
| 165 | Lake Superlatives Quiz |
| 164 | 10 Longest rivers in Canada |
| 164 | Bodies of Water from Chicago to the Ocean |
| 164 | U.S. States Closest to the Pacific Ocean Without a Shoreline |
| 164 | Gulf of Thailand Countries |
| 164 | Closest Capitals by Lake Quiz |
| 162 | Coastal Capitals - Sudden Death |
| 161 | 20 longest rivers in Poland |
| 159 | Biggest South China Sea Cities Quiz |
| 155 | Most Populous Country by River |
| 153 | Seas of Greece |
| 154 | Bay, Desert, Lake, Mountain, River or Swamp - US Geography Click Quiz |
| 151 | Fictional Aquatic Creatures Under the Sea |
| 150 | Costal U.S. States That Reach Furthest Inland |
| 148 | Countries that Border the Indian Ocean |
| 146 | Cities on the Gulf of Mexico by a Clue |
| 146 | Major Rivers Sourced on the Tibetan Plateau |
| 146 | Countries Across the Ocean from Canada |
| 142 | Bodies of Water from Port Said to the Ocean |
| 141 | Largest City on Each River |
| 140 | Around the World: Toronto to Mumbai |
| 140 | Brazilian Rivers |
| 140 | US States Named After Rivers |
| 138 | Ohio River States Empty Map Quiz |
| 137 | The Italian Lakes on a Map |
| 137 | Trace the Borders of Switzerland |
| 136 | Ultimate English Lake District (with map) |
| 132 | Countries with Interrupted Coasts |
| 131 | Guess the Mystery River |
| 131 | Click the Country - Lake |
| 130 | Biggest Cities on the Hudson River on a Map |
| 124 | Straits and Chokepoints on a Map |
| 124 | Top Five Countries By Landform |
| 123 | Locations of Deepest Places on Earth |
| 121 | Countries that are Also Gulfs |
| 121 | Ohio River States |
| 121 | Biggest Cities on the Ohio River on a Map |
| 121 | All Cities on the Black Sea Coast |
| 121 | A Quiz About Canals |
| 119 | Atlantic Nations that Border other Oceans |
| 118 | Biggest New Zealand Lakes on a Map |
| 118 | U.S. Presidents From West of the Mississippi River |
| 118 | Gemstones: with pictures |
| 117 | Bodies of Water by Letter - M |
| 116 | Biggest Cities on the Missouri River on a Map |
| 114 | American Atlantic Coast |
| 113 | French departments by rivers that flow through them |
| 113 | Countries on the Caspian Sea with a Map |
| 113 | Asian East Coast |
| 112 | Mountain, River, or Island? |
| 111 | Biggest Lakes of Ontario |
| 111 | Countries with the Shortest Coasts Relative to Border Length |
| 111 | Countries by Product of Area, Coastline & Population |
| 108 | Largest Country by Tectonic Plate |
| 107 | Five Biggest Cities by River |
| 107 | Flags of the Danube River Countries |
| 107 | Random River by City |
| 106 | Rivers of North America: Sudden Death |
| 105 | 7 Longest Rivers in Southern Africa |
| 104 | Biggest Cities on the Arkansas River on a Map |
| 103 | Countries with the Shortest Borders Relative to their Coasts |
| 104 | Biggest Cities on the Rio Grande River on a Map |
| 103 | Longest River by Letter |
| 102 | Around the World - Budapest to Mumbai |
| 101 | Bodies of Water around Siberia |
| 101 | Malawi Lake Bordering Countries |
| 100 | Longest European Rivers With a National Capital on Their Shore |
| 99 | U.S. States Closest To The Great Lakes Without Bordering |
| 98 | Name a Valid U.S. State - Rivers and Basins |
| 97 | Longest Rivers Entirely in the United States |
| 97 | Longest Rivers in the EU |
| 94 | Around the World - St. Petersburg to Athens |
| 94 | 25 largest lakes in Europe |
| 94 | Congo River Basin Countries |
| 91 | Biggest Cities on the Delaware River on a Map |
| 90 | U.S. State Capitals Closest to the Atlantic Ocean |
| 90 | All Cities on the North Sea Coast |
| 90 | Continental Countries with the Shortest Coastlines |
| 90 | Bodies of Water around European Russia |
| 89 | Rivers that flow through four or more countries |
| 89 | Niger River Countries |
| 89 | Countries and Territories With Shortest Coastlines |
| 88 | Longest World Rivers With a National Capital On Their Shore |
| 88 | Countries that Border the Black Sea |
| 88 | Countries with the Largest Lakes - With Hints |
| 87 | Largest Lakes by Country |
| 87 | Biggest Cities on the Tennessee River on a Map |
| 86 | Largest lakes of Canada by surface area |
| 85 | Random River to Country |
| 84 | Colorado River States |
| 84 | Biggest Cities on the Columbia River on a Map |
| 82 | Bodies of water by bordering countries |
| 82 | Flags of the Mekong River Countries |
| 81 | Biggest Cities on the Colorado River on a Map |
| 81 | Bodies of Water around the Indo-China Peninsula |
| 81 | World Rivers by Wikipedia Descriptions |
| 80 | Largest Lakes in Sweden and Finland |
| 80 | Inter-Continental Seas |
| 79 | Biggest Lakes in Finland |
| 78 | Lakes by Satellite Image #1 |
| 79 | Name a River A-Z |
| 78 | 10 Biggest Lakes in the World |
| 77 | Largest cities of the Rhine river basin on a map |
| 76 | Around the Baltic Sea |
| 75 | Countries with Equal Coasts and Borders |
| 75 | Biggest Cities on the Snake River on a Map |
| 75 | U.S. State Capitals Closest to the Pacific Ocean |
| 74 | Countries With the Most Superyachts on their coastlines |
| 73 | Biggest Cities on the Red River on a Map |
| 72 | Most and Least Dense U.S. States on Each Side of the Mississippi River |
| 71 | Asian Indian Ocean Coast |
| 70 | Countries with Largest Water Area |
| 69 | Around the World - Bangkok to London |
| 68 | Name a Valid U.S. State - Lakes and Reservoirs |
| 68 | Going Down the Mississippi River |
| 67 | Almost Red Sea Countries |
| 67 | 10 largest lakes in Norway |
| 67 | Cities on the Columbia River Basin with a Map |
| 65 | Largest Seas of the Southern Ocean |
| 65 | Longest U.S. Rivers With a State Capital Alongside Them |
| 64 | Tropical Savanna Countries |
| 64 | Around the World - Seoul to Mumbai |
| 64 | Name a Valid State on That River #2 |
| 63 | Top Ten Lakes: Trifecta |
| 62 | Around the World - Baghdad to Lagos |
| 62 | Minerals by Unique Properties |
| 61 | Largest Cities on the Black Sea |
| 60 | Largest Lakes in Manitoba Quiz |
| 58 | Longest Tributaries of the Amazon River |
| 58 | Longest Rivers in Finland |
| 56 | Countries with the most lakes |
| 56 | Great Lakes Trivia |
| 56 | Black Sea Countries - Sudden Death |
| 54 | Reveal the River! |
| 53 | Biggest Rivers by Discharge |
| 53 | Largest Lakes In Finland |
| 53 | Locate the Lake! |
| 52 | Basic River Knowledge #1 |
| 52 | Name a Sea or Lake A-Z |
| 51 | Black Sea Cities - Sudden Death |
| 50 | Lake Constance Cities on a Map |
| 49 | Largest cities of the Saint-Lawrence river basin on a map |
| 49 | States in the Ohio River Watershed |
| 45 | Countries that border that River |
| 44 | Word Scramble Chain - Bodies of Water |
| 45 | Biggest Cities in the Mississippi River Basin on a Map |
| 43 | Natural Features of Countries - Difficult #1 |
| 43 | Largest Lakes in New Zealand |
| 42 | Lakes of Ohio |
| 42 | U.S. State Capitals Closest to the Missouri River |
| 40 | Shellfish Dishes - Sudden Death |
| 40 | Countries With Colour Rivers |
| 39 | Global Chokepoints |
| 39 | Seas - Earth or Moon? |
| 39 | Most Guessed Seas |
| 38 | The Finger Lakes Quiz |
| 37 | Major Tectonic Plates |
| 37 | Largest Lakes in Uganda |
| 37 | A-I Landforms: Multiple Choice |
| 37 | Biggest Caspian Sea Cities Quiz |
| 35 | Lakes by City |
| 33 | Three Longest Rivers in Mongolia |
| 32 | Colorado Cities Named After Rocks |
| 32 | Caspian Sea Cities - Sudden Death |
| 32 | Biggest Lakes in Malawi |
| 31 | Countries, waters, rivers and seas bordering the North Sea |
