| NATO Countries | 0 | - | 4.98 | 282,091 |
| EU Countries Quiz | 0 | - | 4.99 | 276,217 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,882 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,175 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,575 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,193 |
| Countries with NO Military | 0 | - | 4.97 | 62,808 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,883 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,672,510 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,178 |
| Landlocked Countries | 0 | - | 4.99 | 423,115 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,618 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,054 |
| Himalayan Countries | 0 | - | 4.94 | 139,227 |
| Andean Countries | 0 | - | 4.93 | 84,892 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,111 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,251 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,691 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,004 |
| Danube Countries | 0 | - | 4.97 | 72,144 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,205 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,552 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,549 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,062 |
| European Landlocked Countries | 0 | - | 4.99 | 147,288 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,854 |
| Countries with the Most Species | 0 | - | 4.99 | 103,355 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,980 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,650 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,771 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,626 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,375 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,793 |
| Countries in the Alps | 0 | - | 4.87 | 118,377 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,796 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,308 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,762 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,726 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,646 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,046 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,828 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,612 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,253 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,862 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,968 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,726 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,598 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,333 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,576 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,646 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,186 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,412 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,822 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,259 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,538 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,453 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,317 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,850 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,819 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,998 |
| Largest Countries By Category | 0 | - | 4.97 | 158,415 |
| Countries by Countries | 0 | - | 4.96 | 63,368 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,286 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,694 |
| Buddhist Countries | 0 | - | 4.96 | 144,740 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,802 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,225 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,197 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,596 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,872 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,050 |
| Island Countries | 0 | - | 4.99 | 711,452 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,334 |
| Northernmost Countries | 0 | - | 4.99 | 362,547 |
| Countries of South America | 0 | - | 5.00 | 928,939 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,904 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,863 |
| "Land" Countries | 0 | - | 4.98 | 337,657 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,971 |
| Orthodox Countries | 0 | - | 4.92 | 132,419 |
| Richest Island Countries | 0 | - | 4.85 | 100,910 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,529 |
| Monarchies of Europe | 0 | - | 4.90 | 98,487 |
| Monarchies of Asia | 0 | - | 4.97 | 71,316 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,332 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,099 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,834 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,777 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,118 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,597 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,693 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,277 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,643 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,806 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,273 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,344 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,831 |
| Countries that Start with D | 0 | - | 4.96 | 713,109 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,210 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,466 |
| Countries that Start with H | 0 | - | 4.96 | 607,198 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,505 |
| Countries that Start with J | 0 | - | 4.98 | 604,723 |
| Countries that Start with K | 0 | - | 4.97 | 818,321 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,800 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,842 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,189 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,118 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,204 |
| Countries that Start with U | 0 | - | 4.97 | 906,343 |
| Countries that Start with V | 0 | - | 4.98 | 610,656 |
| Countries that Start with F | 0 | - | 4.83 | 619,480 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,082 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,158 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,672 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,739 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,239 |
| Countries with Megacities | 0 | - | 4.99 | 265,373 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,057 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,653 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,307 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,725 |
| Countries by Official Language | 0 | - | 4.95 | 195,484 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,702 |
| Countries in their Native Language | 0 | - | 4.99 | 199,262 |
| Independence from Whom | 0 | - | 4.99 | 212,355 |
| Subdivisions by Country | 0 | - | 4.87 | 50,486 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,929 |
| Megadiverse Countries | 0 | - | 4.96 | 135,102 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,292 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,421 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,298 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,142 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,279 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,665 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,626 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,421 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,711 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,185 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,929 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,957 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,277 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,016 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,436 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,461 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,328 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,422 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,131 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,609 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,024 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,133 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,407 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,503 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,658 |
| Widest Countries East to West | 0 | - | 4.92 | 129,759 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,481 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,582 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,392 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,850 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,712 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,981 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,418 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,822 |
| Countries with Double Letters | 0 | - | 4.96 | 96,498 |
| Countries that End in N | 0 | - | 4.95 | 171,399 |
| Countries with Five Letters | 0 | - | 4.96 | 282,954 |
| Countries with Six Letters | 0 | - | 4.94 | 213,831 |
| Countries with W | 0 | - | 4.96 | 160,524 |
| Countries with Z | 0 | - | 4.98 | 291,747 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,878 |
| Countries That End in U | 0 | - | 4.95 | 120,952 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,648 |
| Countries that End in O | 0 | - | 4.92 | 159,606 |
| Countries that End in R | 0 | - | 4.87 | 119,031 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,795 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,334 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,832 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,587 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,500 |
| Countries That End in Y | 0 | - | 4.91 | 185,948 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,071 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,995 |
| Countries that End in I | 0 | - | 4.94 | 135,173 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,259 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,885 |
| Countries That End in NIA | 0 | - | 4.92 | 109,861 |
| Countries That End in BIA | 0 | - | 4.93 | 149,315 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,225 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,531 |
| Countries That End in RIA | 0 | - | 4.93 | 126,891 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,130 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,913 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,858 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,289 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,844 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,645 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,121 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,471 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,501 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,113 |
