| Boundary Waters | 0 | - | 4.92 | 88,020 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,222 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,881,382 |
| Landlocked Countries | 0 | - | 4.99 | 413,180 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,128 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,525 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,886 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,410 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,391 |
| Himalayan Countries | 0 | - | 4.95 | 135,167 |
| Andean Countries | 0 | - | 4.94 | 82,737 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,153 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,084 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,822 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,517 |
| Danube Countries | 0 | - | 4.97 | 71,034 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,698 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,489 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,368 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,286 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,115 |
| Countries with the Most Species | 0 | - | 4.99 | 95,216 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,268 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,352 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,929 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,542 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,905 |
| Countries in the Alps | 0 | - | 4.87 | 116,749 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,516 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,162 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,976 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,371 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,102 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,959 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,513 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,718 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,913 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,009 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,014 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,400 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,704 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,712 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,964 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,596 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,223 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,723 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,021 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,480 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,568 |
| Largest Countries By Category | 0 | - | 4.97 | 156,680 |
| Countries by Countries | 0 | - | 4.96 | 62,214 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,305 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,949 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,712 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,668 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,664 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,471 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,506 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,269 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,586 |
| Longest International Borders | 0 | - | 4.99 | 263,451 |
| Countries with Three Borders | 0 | - | 4.96 | 36,158 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,583 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,631 |
| Demonym of Every Country | 0 | - | 4.91 | 58,602 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,366 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,988 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,972 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,384 |
| Island Countries | 0 | - | 4.99 | 707,405 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,845 |
| Northernmost Countries | 0 | - | 4.99 | 357,457 |
| Countries of South America | 0 | - | 5.00 | 913,967 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,339 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,568 |
| "Land" Countries | 0 | - | 4.98 | 333,514 |
| Top World Languages | 0 | - | 4.92 | 812,501 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,010 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,150 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,701 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,145 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,205 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,427 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,189 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,409 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,963 |
| Countries with Megacities | 0 | - | 4.99 | 246,440 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,879 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,778 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,342 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,736 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,783 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,671 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,869 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,607 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,556 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,530 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,317 |
| Countries by Capital City | 0 | - | 5.00 | 66,543 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,268 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,854 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,153 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,371 |
| Moved Capital Cities | 0 | - | 4.96 | 73,545 |
| Countries by Official Language | 0 | - | 4.95 | 192,672 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,994 |
| Countries in their Native Language | 0 | - | 4.99 | 196,538 |
| Independence from Whom | 0 | - | 4.99 | 209,570 |
| Subdivisions by Country | 0 | - | 4.86 | 50,043 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,655 |
| Megadiverse Countries | 0 | - | 4.97 | 133,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,714 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,398 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,847 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,585 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,966 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,692 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,102 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,729 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,464 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,387 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,460 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,477 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,640 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,997 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,427 |
| World Map Quiz | 0 | - | 4.81 | 63,424 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,407 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,270 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,234 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,924 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,890 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,597 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,810 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,010 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,215 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,906 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,292 |
| Widest Countries East to West | 0 | - | 4.92 | 128,560 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,204 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,150 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,540 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,654 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,566 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,987 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,042 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,288 |
| Countries that End in N | 0 | - | 4.94 | 156,347 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,573 |
| Countries with Six Letters | 0 | - | 4.93 | 210,261 |
| Countries with W | 0 | - | 4.97 | 158,157 |
| Countries with Z | 0 | - | 4.98 | 287,740 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,474 |
| Countries That End in U | 0 | - | 4.95 | 119,477 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,442 |
| Countries that End in O | 0 | - | 4.92 | 158,507 |
| Countries that End in R | 0 | - | 4.87 | 118,239 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,835 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,926 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,241 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,426 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,771 |
| Countries That End in Y | 0 | - | 4.90 | 185,176 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,265 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,598 |
| Countries that End in I | 0 | - | 4.94 | 134,360 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,099 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,165 |
| Countries That End in NIA | 0 | - | 4.92 | 108,958 |
| Countries That End in BIA | 0 | - | 4.92 | 147,653 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,008 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,440 |
| Countries That End in RIA | 0 | - | 4.93 | 126,045 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,960 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,080 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,476 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,854 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,302 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,903 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,069 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,596 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,444 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,792 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,745 |
| Countries that End in L | 0 | - | 4.94 | 155,679 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,917 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,973 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,483 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,261 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,395 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,598 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,014 |
