| Boundary Waters | 0 | - | 4.92 | 88,229 |
| 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 | 201,012 |
| Countries by Three Words #1 | 0 | - | 4.95 | 264,597 |
| European Countries by Clue | 0 | - | 4.92 | 183,263 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,704 |
| Landlocked Countries | 0 | - | 4.99 | 416,628 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,161,888 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,367 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,342 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,279 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,532 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,919 |
| Himalayan Countries | 0 | - | 4.95 | 136,491 |
| Andean Countries | 0 | - | 4.95 | 83,486 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,747 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,990 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,417 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,024 |
| Danube Countries | 0 | - | 4.97 | 71,428 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,210 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,846 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,150 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,114 |
| European Landlocked Countries | 0 | - | 4.99 | 146,128 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,757 |
| Countries with the Most Species | 0 | - | 4.99 | 101,487 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,895 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,508 |
| 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 | 57,189 |
| Countries in the Alps | 0 | - | 4.86 | 117,320 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,900 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,886 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,252 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,739 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,817 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,251 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,981 |
| 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 | 62,327 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,364 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,725 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,992 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,001 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,710 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,890 |
| 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 | 240,996 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,563 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,825 |
| Largest Countries By Category | 0 | - | 4.97 | 157,252 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,868 |
| 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 | 88,083 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,060 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,635 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,926 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,240 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,842 |
| Longest International Borders | 0 | - | 4.99 | 264,297 |
| Countries with Three Borders | 0 | - | 4.96 | 36,344 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,777 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,871 |
| Demonym of Every Country | 0 | - | 4.91 | 58,912 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,413 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,461 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,249 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,125 |
| Countries by Three Words #4 | 0 | - | 4.44 | 99,887 |
| 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 | 76,806 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,773 |
| 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 | 326,829 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,777 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,825 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,763 |
| Island Countries | 0 | - | 4.99 | 708,801 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,314 |
| Northernmost Countries | 0 | - | 4.99 | 359,367 |
| Countries of South America | 0 | - | 5.00 | 919,661 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,639 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,682 |
| "Land" Countries | 0 | - | 4.98 | 334,595 |
| Top World Languages | 0 | - | 4.92 | 817,287 |
| 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 | 172,270 |
| Countries with Megacities | 0 | - | 4.99 | 248,927 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,121 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,541 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,480 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,496 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,460 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,591 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,050 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,051 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,313 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,163 |
| Countries by Capital City | 0 | - | 5.00 | 67,470 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,741 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,242 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,699 |
| Moved Capital Cities | 0 | - | 4.96 | 73,880 |
| Countries by Official Language | 0 | - | 4.95 | 194,004 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,532 |
| Countries in their Native Language | 0 | - | 4.99 | 197,630 |
| Independence from Whom | 0 | - | 4.99 | 210,800 |
| Subdivisions by Country | 0 | - | 4.86 | 50,196 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,323 |
| Megadiverse Countries | 0 | - | 4.96 | 134,536 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,824 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,073 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,625 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,438 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,210 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,574 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,546 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,369 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,805 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,156 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,684 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,640 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,857 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,199 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,406 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,555 |
| World Map Quiz | 0 | - | 4.81 | 64,081 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,367 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,691 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,058 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,665 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,394 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,702 |
| 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 | 98,622 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,146 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,636 |
| Widest Countries East to West | 0 | - | 4.92 | 129,138 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,329 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,639 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,914 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,955 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,978 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,353 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,094 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,670 |
| Countries with Double Letters | 0 | - | 4.96 | 94,118 |
| Countries that End in N | 0 | - | 4.95 | 165,453 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,550 |
| Countries with Six Letters | 0 | - | 4.93 | 211,126 |
| Countries with W | 0 | - | 4.97 | 158,797 |
| 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 | 133,144 |
| Countries that End in O | 0 | - | 4.92 | 158,858 |
| Countries that End in R | 0 | - | 4.87 | 118,504 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,233 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,733 |
| 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 | 141,369 |
| Countries That End in Y | 0 | - | 4.90 | 185,415 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,823 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,083 |
| Countries that End in I | 0 | - | 4.94 | 134,666 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,684 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,406 |
| Countries That End in NIA | 0 | - | 4.92 | 109,294 |
| Countries That End in BIA | 0 | - | 4.93 | 148,557 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,421 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,765 |
| Countries That End in RIA | 0 | - | 4.93 | 126,338 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,325 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,069 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,863 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,197 |
| 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 |
