| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,914 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,640 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,536 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,157 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,827 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,313,089 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,995 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,749 |
| Countries by Emojis | 0 | - | 4.99 | 238,529 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,662 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,833 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,452 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,448 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,824 |
| Countries that Start with D | 0 | - | 4.96 | 707,369 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,557 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,205 |
| Countries that Start with H | 0 | - | 4.96 | 602,864 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,919 |
| Countries that Start with J | 0 | - | 4.98 | 600,720 |
| Countries that Start with K | 0 | - | 4.97 | 813,809 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,660 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,604 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,102 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,094 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,318 |
| Countries that Start with U | 0 | - | 4.97 | 903,231 |
| Countries that Start with V | 0 | - | 4.98 | 608,291 |
| Countries that Start with F | 0 | - | 4.83 | 616,142 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,354 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,605 |
| Landlocked Countries | 0 | - | 4.99 | 418,578 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,020 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,910 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,043 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,618 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,271 |
| Orthodox Countries | 0 | - | 4.92 | 131,257 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,455 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,060 |
| Battle to Country | 0 | - | 4.91 | 53,126 |
| Monarchies of Europe | 0 | - | 4.90 | 97,933 |
| Monarchies of Asia | 0 | - | 4.97 | 70,964 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,768 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,961 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,913 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,429 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,967 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,113 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,619 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,546 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,566 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,880 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,295 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 129,852 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,892 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,392 |
| Companies by Country | 0 | - | 4.61 | 119,299 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,857 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,768 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,809 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,864 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,737 |
| Name a Valid African Country | 0 | - | 4.98 | 153,729 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,711 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,505 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,935 |
| Island Countries | 0 | - | 4.99 | 709,612 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,801 |
| Himalayan Countries | 0 | - | 4.94 | 137,261 |
| Andean Countries | 0 | - | 4.95 | 83,845 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,118 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,516 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,774 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,299 |
| Danube Countries | 0 | - | 4.97 | 71,615 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,493 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,017 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,580 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,647 |
| European Landlocked Countries | 0 | - | 4.99 | 146,730 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,078 |
| Countries with the Most Species | 0 | - | 4.99 | 102,868 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,211 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,421 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,575 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,279 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,959 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,334 |
| Countries in the Alps | 0 | - | 4.87 | 117,632 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,095 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,301 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,385 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,948 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,053 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,421 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,237 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,151 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,944 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,520 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,457 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,319 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,896 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,166 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,181 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,124 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,039 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,554 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,476 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,224 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,141 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,971 |
| Largest Countries By Category | 0 | - | 4.97 | 157,579 |
| Countries by Countries | 0 | - | 4.96 | 62,806 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,017 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,157 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,148 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,292 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,718 |
| Northernmost Countries | 0 | - | 4.99 | 360,336 |
| Political Movements by Country | 0 | - | 4.46 | 72,460 |
| Countries of South America | 0 | - | 5.00 | 922,524 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,505 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,478 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,343 |
| "Land" Countries | 0 | - | 4.98 | 335,720 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,368 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,023 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,379 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,216 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,668 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,872 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,611 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,922 |
| Countries with Megacities | 0 | - | 4.99 | 257,388 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,781 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,928 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,071 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,933 |
| Countries by Official Language | 0 | - | 4.95 | 194,585 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,463 |
| Countries in their Native Language | 0 | - | 4.99 | 198,130 |
| Independence from Whom | 0 | - | 4.99 | 211,239 |
| Subdivisions by Country | 0 | - | 4.86 | 50,273 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,644 |
| Countries in World War I | 0 | - | 4.88 | 227,796 |
| Megadiverse Countries | 0 | - | 4.96 | 134,746 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,672 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,508 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,162 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,733 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,673 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,360 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,923 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,821 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,974 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,893 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,695 |
| Hindu Countries | 0 | - | 4.86 | 49,994 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,971 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,757 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,123 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,308 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,110 |
| World Map Quiz | 0 | - | 4.81 | 64,466 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,464 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,004 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,440 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,895 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,604 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,259 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,648 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,800 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,246 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,256 |
| Widest Countries East to West | 0 | - | 4.92 | 129,339 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,924 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,490 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,179 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,518 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,508 |
| Countries with Double Letters | 0 | - | 4.97 | 95,034 |
| Countries that End in N | 0 | - | 4.95 | 169,889 |
| Countries with Five Letters | 0 | - | 4.96 | 279,822 |
| Countries with Six Letters | 0 | - | 4.94 | 212,415 |
| Countries with W | 0 | - | 4.97 | 159,491 |
| Countries with Z | 0 | - | 4.98 | 289,735 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,685 |
| Countries That End in U | 0 | - | 4.95 | 120,388 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,707 |
| Countries that End in O | 0 | - | 4.92 | 159,178 |
| Countries that End in R | 0 | - | 4.87 | 118,722 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
