| One Country By Letter By Continent | 0 | - | 5.00 | 122,910 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,599 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,217,672 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,391 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,461 |
| Countries by Emojis | 0 | - | 4.99 | 238,062 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,520 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,321 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,630 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,587 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,701 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,608 |
| Countries that Start with D | 0 | - | 4.96 | 705,841 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,710 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,234 |
| Countries that Start with H | 0 | - | 4.96 | 601,520 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,425 |
| Countries that Start with J | 0 | - | 4.98 | 599,494 |
| Countries that Start with K | 0 | - | 4.97 | 812,649 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,944 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,918 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,690 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,091 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,241 |
| Countries that Start with U | 0 | - | 4.97 | 902,390 |
| Countries that Start with V | 0 | - | 4.98 | 607,539 |
| Countries that Start with F | 0 | - | 4.83 | 615,118 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,792 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,426 |
| Landlocked Countries | 0 | - | 4.99 | 417,327 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,883 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,795 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,783 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,536 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,175 |
| Orthodox Countries | 0 | - | 4.92 | 131,053 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,294 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,968 |
| Battle to Country | 0 | - | 4.91 | 53,001 |
| Monarchies of Europe | 0 | - | 4.90 | 97,778 |
| Monarchies of Asia | 0 | - | 4.97 | 70,881 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,694 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,884 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,833 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,222 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,858 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,011 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,450 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,097 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,247 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,255 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,853 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,227 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,541 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,188 |
| Companies by Country | 0 | - | 4.61 | 119,074 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,711 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,586 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,726 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,181 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,573 |
| Name a Valid African Country | 0 | - | 4.98 | 153,539 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,632 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,133 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,272 |
| Island Countries | 0 | - | 4.99 | 709,117 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,243 |
| Himalayan Countries | 0 | - | 4.95 | 136,781 |
| Andean Countries | 0 | - | 4.95 | 83,615 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,873 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,175 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,544 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,136 |
| Danube Countries | 0 | - | 4.97 | 71,490 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,318 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,910 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,314 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,313 |
| European Landlocked Countries | 0 | - | 4.99 | 146,201 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,890 |
| Countries with the Most Species | 0 | - | 4.99 | 102,429 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,016 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,358 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,538 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,860 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,238 |
| Countries in the Alps | 0 | - | 4.86 | 117,442 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,969 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,054 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,309 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,812 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,908 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,325 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,081 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,048 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,867 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,400 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,401 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,244 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,792 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,057 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,068 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,858 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,943 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,473 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,411 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,772 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,879 |
| Largest Countries By Category | 0 | - | 4.97 | 157,367 |
| Countries by Countries | 0 | - | 4.96 | 62,677 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,184 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,963 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,110 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,156 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,231 |
| Northernmost Countries | 0 | - | 4.99 | 359,753 |
| Political Movements by Country | 0 | - | 4.46 | 72,414 |
| Countries of South America | 0 | - | 5.00 | 920,642 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,291 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,132 |
| "Land" Countries | 0 | - | 4.98 | 335,246 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,454 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,604 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,907 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,152 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,475 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,019 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,134 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,513 |
| Countries with Megacities | 0 | - | 4.99 | 249,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,361 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,684 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,693 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,648 |
| Countries by Official Language | 0 | - | 4.95 | 194,271 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,095 |
| Countries in their Native Language | 0 | - | 4.99 | 197,864 |
| Independence from Whom | 0 | - | 4.99 | 210,990 |
| Subdivisions by Country | 0 | - | 4.86 | 50,227 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,460 |
| Countries in World War I | 0 | - | 4.88 | 227,588 |
| Megadiverse Countries | 0 | - | 4.96 | 134,612 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,445 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,026 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,111 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,667 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,967 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,522 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,279 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,714 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,617 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,411 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,822 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,490 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,624 |
| Hindu Countries | 0 | - | 4.86 | 49,888 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,719 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,687 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,899 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,252 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,761 |
| World Map Quiz | 0 | - | 4.81 | 64,236 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,787 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,195 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,747 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,481 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,910 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,356 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,526 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,694 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,187 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,160 |
| Widest Countries East to West | 0 | - | 4.92 | 129,230 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,343 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,745 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,947 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,055 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,054 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,424 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,163 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,691 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,360 |
| Countries with Double Letters | 0 | - | 4.97 | 94,643 |
| Countries that End in N | 0 | - | 4.95 | 168,819 |
| Countries with Five Letters | 0 | - | 4.96 | 274,146 |
| Countries with Six Letters | 0 | - | 4.94 | 211,922 |
| Countries with W | 0 | - | 4.97 | 159,196 |
| Countries with Z | 0 | - | 4.98 | 289,313 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,396 |
| Countries That End in U | 0 | - | 4.95 | 120,229 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,419 |
| Countries that End in O | 0 | - | 4.92 | 159,045 |
| Countries that End in R | 0 | - | 4.87 | 118,618 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,393 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,993 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,896 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,921 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,506 |
