| Countries of the World Quiz | 0 | - | 5.00 | 47,692,641 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,346 |
| NATO Countries | 0 | - | 4.98 | 282,216 |
| EU Countries Quiz | 0 | - | 4.99 | 276,375 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,012 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,347 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,654 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,263 |
| Countries with NO Military | 0 | - | 4.97 | 62,846 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,901 |
| Landlocked Countries | 0 | - | 4.99 | 423,337 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,157 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,888 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,839 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,010 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,744 |
| Buddhist Countries | 0 | - | 4.96 | 144,782 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,280 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,248 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,411 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,908 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,182 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,253 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,816 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,569 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,742 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,214 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,961 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,616 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,869 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,873 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,803 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,477 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,147 |
| Himalayan Countries | 0 | - | 4.94 | 139,336 |
| Andean Countries | 0 | - | 4.94 | 84,941 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,162 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,324 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,042 |
| Danube Countries | 0 | - | 4.97 | 72,162 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,241 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,569 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,603 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,109 |
| European Landlocked Countries | 0 | - | 4.99 | 147,319 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,891 |
| Countries with the Most Species | 0 | - | 4.99 | 103,375 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,026 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,661 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,642 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,401 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,806 |
| Countries in the Alps | 0 | - | 4.87 | 118,421 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,903 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,354 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,779 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,758 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,667 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,066 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,857 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,267 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,738 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,611 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,349 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,599 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,670 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,251 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,969 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,288 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,682 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,516 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Largest Countries By Category | 0 | - | 4.97 | 158,466 |
| Countries by Countries | 0 | - | 4.96 | 63,392 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,830 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,805 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,951 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,225 |
| Island Countries | 0 | - | 4.99 | 711,561 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,663 |
| Northernmost Countries | 0 | - | 4.99 | 362,673 |
| Countries of South America | 0 | - | 5.00 | 929,296 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,344 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,706 |
| "Land" Countries | 0 | - | 4.98 | 337,730 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,910 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,947 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,318 |
| Countries that Start with D | 0 | - | 4.96 | 713,436 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,596 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,873 |
| Countries that Start with H | 0 | - | 4.96 | 607,436 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,828 |
| Countries that Start with J | 0 | - | 4.98 | 604,933 |
| Countries that Start with K | 0 | - | 4.97 | 818,576 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,115 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,162 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,500 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,529 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,820 |
| Countries that Start with U | 0 | - | 4.97 | 906,545 |
| Countries that Start with V | 0 | - | 4.98 | 610,793 |
| Countries that Start with F | 0 | - | 4.83 | 619,647 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,419 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,016 |
| Orthodox Countries | 0 | - | 4.92 | 132,463 |
| Richest Island Countries | 0 | - | 4.85 | 100,937 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,262 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,607 |
| Monarchies of Europe | 0 | - | 4.90 | 98,512 |
| Monarchies of Asia | 0 | - | 4.97 | 71,337 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,385 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,124 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,859 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,813 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,157 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,614 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,710 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,457 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,680 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,829 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,199 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,722 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,134 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,222 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,102 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,487 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,380 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,770 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,328 |
| Countries with Megacities | 0 | - | 4.99 | 265,547 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,124 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,691 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,386 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,761 |
| Countries by Official Language | 0 | - | 4.95 | 195,533 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,785 |
| Countries in their Native Language | 0 | - | 4.99 | 199,322 |
| Independence from Whom | 0 | - | 4.99 | 212,424 |
| Subdivisions by Country | 0 | - | 4.87 | 50,504 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,977 |
| Megadiverse Countries | 0 | - | 4.96 | 135,121 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,341 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,433 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,313 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,148 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,317 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,672 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,660 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,440 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,726 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,194 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,984 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,979 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,293 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,032 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,541 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,658 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,148 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,492 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,377 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,465 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,163 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,708 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,058 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,173 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,428 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,515 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,970 |
| Widest Countries East to West | 0 | - | 4.92 | 129,792 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,487 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,933 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,405 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,868 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,749 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,008 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,426 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,828 |
| Countries with Double Letters | 0 | - | 4.96 | 96,560 |
| Countries that End in N | 0 | - | 4.95 | 171,463 |
| Countries with Five Letters | 0 | - | 4.96 | 283,028 |
| Countries with Six Letters | 0 | - | 4.94 | 213,900 |
| Countries with W | 0 | - | 4.96 | 160,566 |
| Countries with Z | 0 | - | 4.98 | 291,819 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,930 |
| Countries That End in U | 0 | - | 4.95 | 120,979 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,707 |
| Countries that End in O | 0 | - | 4.92 | 159,632 |
| Countries that End in R | 0 | - | 4.87 | 119,052 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,807 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,383 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,864 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,615 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,520 |
| Countries That End in Y | 0 | - | 4.91 | 185,963 |
