| Boundary Waters | 0 | - | 4.92 | 88,231 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,967 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,651 |
| Countries by Three Words #2 | 0 | - | 4.97 | 201,016 |
| Countries by Three Words #1 | 0 | - | 4.95 | 264,602 |
| European Countries by Clue | 0 | - | 4.92 | 183,265 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,707 |
| Landlocked Countries | 0 | - | 4.99 | 416,644 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,162,942 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,367 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,343 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,532 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,930 |
| Himalayan Countries | 0 | - | 4.95 | 136,496 |
| Andean Countries | 0 | - | 4.95 | 83,489 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,750 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,995 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,419 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,025 |
| Danube Countries | 0 | - | 4.97 | 71,430 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,212 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,848 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,152 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,119 |
| European Landlocked Countries | 0 | - | 4.99 | 146,128 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,760 |
| Countries with the Most Species | 0 | - | 4.99 | 101,513 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,897 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,510 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,158 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,190 |
| Countries in the Alps | 0 | - | 4.86 | 117,324 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,901 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,890 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,740 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,820 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,254 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,982 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,993 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,802 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,328 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,365 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,728 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,994 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,002 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,711 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,895 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,002 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,564 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,826 |
| Largest Countries By Category | 0 | - | 4.97 | 157,253 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,870 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,079 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,085 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,065 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,635 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,927 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,244 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,844 |
| Longest International Borders | 0 | - | 4.99 | 264,298 |
| Countries with Three Borders | 0 | - | 4.96 | 36,345 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,778 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,872 |
| Demonym of Every Country | 0 | - | 4.91 | 58,912 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,513 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,533 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,249 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,128 |
| Countries by Three Words #4 | 0 | - | 4.44 | 99,890 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,473 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,798 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,607 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,808 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,774 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,743 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,722 |
| Countries by a Single Clue #11 | 0 | - | 4.58 | 76,362 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,808 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,844 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,807 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,827 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,772 |
| Island Countries | 0 | - | 4.99 | 708,807 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,326 |
| Northernmost Countries | 0 | - | 4.99 | 359,376 |
| Countries of South America | 0 | - | 5.00 | 919,669 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,656 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,709 |
| "Land" Countries | 0 | - | 4.98 | 334,599 |
| Top World Languages | 0 | - | 4.92 | 817,309 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,263 |
| Globe Grid | 0 | - | 4.32 | 31,956 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,550 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,856 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,271 |
| Countries with Megacities | 0 | - | 4.99 | 248,934 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,122 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,542 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,482 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,498 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,461 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,594 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,051 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,052 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,315 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,167 |
| Countries by Capital City | 0 | - | 5.00 | 67,471 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,741 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,244 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,701 |
| Moved Capital Cities | 0 | - | 4.96 | 73,881 |
| Countries by Official Language | 0 | - | 4.95 | 194,006 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,533 |
| Countries in their Native Language | 0 | - | 4.99 | 197,631 |
| Independence from Whom | 0 | - | 4.99 | 210,804 |
| Subdivisions by Country | 0 | - | 4.86 | 50,196 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,324 |
| Megadiverse Countries | 0 | - | 4.96 | 134,537 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,825 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,073 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,626 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,440 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,210 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,578 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,547 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,370 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,805 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,158 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,685 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,640 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,858 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,201 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,431 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,560 |
| World Map Quiz | 0 | - | 4.81 | 64,083 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,373 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,693 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,059 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,666 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,394 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,704 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,265 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,458 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,623 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,148 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,636 |
| Widest Countries East to West | 0 | - | 4.92 | 129,139 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,329 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,644 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,915 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,956 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,978 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,359 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,095 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,670 |
| Countries with Double Letters | 0 | - | 4.96 | 94,120 |
| Countries that End in N | 0 | - | 4.95 | 165,517 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,556 |
| Countries with Six Letters | 0 | - | 4.93 | 211,132 |
| Countries with W | 0 | - | 4.97 | 158,799 |
| Countries with Z | 0 | - | 4.98 | 288,742 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,018 |
| Countries That End in U | 0 | - | 4.95 | 119,907 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,145 |
| Countries that End in O | 0 | - | 4.92 | 158,859 |
| Countries that End in R | 0 | - | 4.87 | 118,505 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,257 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,736 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,728 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,807 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,370 |
| Countries That End in Y | 0 | - | 4.90 | 185,418 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,824 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,086 |
| Countries that End in I | 0 | - | 4.94 | 134,667 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,685 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,407 |
| Countries That End in NIA | 0 | - | 4.92 | 109,295 |
| Countries That End in BIA | 0 | - | 4.93 | 148,559 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,422 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,765 |
| Countries That End in RIA | 0 | - | 4.93 | 126,340 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,325 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,073 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,863 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,199 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,778 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,139 |
