| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,079 |
| North Sea Countries | 0 | - | 4.92 | 87,503 |
| Black Sea Countries | 0 | - | 4.87 | 60,657 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,458 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,557 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,150 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,735 |
| Countries With No Rivers | 0 | - | 4.96 | 76,928 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,286 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,990 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,663 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,819 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,907 |
| Countries with Fjords | 0 | - | 4.94 | 101,058 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,067 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,426 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,743 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,864 |
| Seas on the World Map | 0 | - | 4.96 | 135,563 |
| Seas of the World | 0 | - | 5.00 | 157,473 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,030 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,610 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,121 |
| African Great Lakes | 0 | - | 4.82 | 66,535 |
| Seas of Europe | 0 | - | 4.37 | 84,729 |
| Megadiverse Countries | 0 | - | 4.96 | 135,043 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,810 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,900 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,098 |
| Asia Map Quiz | 0 | - | 4.99 | 919,905 |
| United States Cities Map Quiz | 0 | - | 4.96 | 214,496 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,544 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,473 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,653 |
| Biggest City by River | 0 | - | 4.38 | 52,888 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,986 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,306 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,315 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,986 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,960 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,333 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,168 |
| Australia Map Quiz | 0 | - | 4.95 | 345,237 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,106 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,827 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,241 |
| African Physical Geography | 0 | - | 4.51 | 31,746 |
| Asian Physical Geography | 0 | - | 4.61 | 35,564 |
| Rivers of the United States | 0 | - | 4.93 | 66,360 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,820 |
| Landforms by Country | 0 | - | 4.52 | 51,986 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,400 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,797 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,952 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,136 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,370 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,435 |
| North America Map Quiz | 0 | - | 4.98 | 249,551 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,111 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,427 |
| World's Longest Rivers | 0 | - | 4.90 | 137,070 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,675 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,277 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,884 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,237 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,002 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,757 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,224 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,971 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,590 |
| Capitals by River | 0 | - | 4.55 | 48,345 |
| Geological Extremes | 0 | - | 4.34 | 40,064 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,797 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,928 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,251 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,684 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,259 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,105 |
| States of India Map Quiz | 0 | - | 4.83 | 26,629 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,159 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,199 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,658 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,132 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,471 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,634 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,037 |
| Boundary Waters | 0 | - | 4.92 | 88,594 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,300 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,607,240 |
| Landlocked Countries | 0 | - | 4.99 | 422,286 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,041 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,938 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,317 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,972 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,688 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| South American Physical Geography | 0 | - | 4.58 | 18,368 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,446 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,457 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,066 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,676 |
| Himalayan Countries | 0 | - | 4.95 | 138,887 |
| Andean Countries | 0 | - | 4.93 | 84,702 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,899 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,953 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,526 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,867 |
| Danube Countries | 0 | - | 4.97 | 72,051 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,067 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,463 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,369 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,857 |
| European Landlocked Countries | 0 | - | 4.99 | 147,182 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,704 |
| Countries with the Most Species | 0 | - | 4.99 | 103,271 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,826 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,612 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,568 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,258 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,704 |
| Countries in the Alps | 0 | - | 4.87 | 118,260 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,309 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,089 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,687 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,630 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,553 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,974 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,710 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,531 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,887 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,671 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,546 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,251 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,506 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,563 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,974 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,339 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,178 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,134 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,097 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,213 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,258 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,618 |
| Largest Countries By Category | 0 | - | 4.97 | 158,268 |
| Countries by Countries | 0 | - | 4.96 | 63,266 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,302 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,702 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,893 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,464 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,415 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,536 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,506 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,745 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,495 |
| Famous Rivers | 0 | - | 4.75 | 105,073 |
| City to River #1 | 0 | - | 4.59 | 35,865 |
| Rivers A-Z | 0 | - | 4.35 | 32,802 |
| Most Populous River Basins | 0 | - | 4.55 | 39,748 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,391 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,330 |
| Sea in the Answers | 0 | - | 4.08 | 49,032 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,069 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,318 |
| Longest International Borders | 0 | - | 4.99 | 265,243 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,142 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,242 |
| Demonym of Every Country | 0 | - | 4.91 | 60,779 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,810 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,263 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,600 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,534 |
| Island Countries | 0 | - | 4.99 | 711,156 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,432 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,423 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,251 |
| Northernmost Countries | 0 | - | 4.99 | 362,091 |
| Countries of South America | 0 | - | 5.00 | 927,772 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,532 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,296 |
| "Land" Countries | 0 | - | 4.98 | 337,425 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,111 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,207 |
| All Country Flags of the World | 0 | - | 5.00 | 3,681,770 |
| Top World Languages | 0 | - | 4.92 | 824,720 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,327 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,501 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,681 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,084 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,976 |
| Countries with Megacities | 0 | - | 4.99 | 264,741 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,815 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,515 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,070 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,591 |
