| Countries with the Most Military Troops | 0 | - | 4.95 | 285,406 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,976 |
| Countries with NO Military | 0 | - | 4.97 | 61,280 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,424 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,999,375 |
| Majority Muslim Countries | 0 | - | 4.98 | 369,715 |
| NATO Countries | 0 | - | 4.98 | 276,691 |
| EU Countries Quiz | 0 | - | 4.99 | 270,507 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,333 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,971 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,987 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,387 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,130 |
| Landlocked Countries | 0 | - | 4.99 | 414,583 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,699 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,830 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,237 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,463 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,058 |
| Buddhist Countries | 0 | - | 4.96 | 143,094 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,188 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,288 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,844 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,011 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,996 |
| Himalayan Countries | 0 | - | 4.95 | 135,699 |
| Andean Countries | 0 | - | 4.94 | 83,026 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,374 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,436 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,076 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,735 |
| Countries in World War I | 0 | - | 4.88 | 226,773 |
| Danube Countries | 0 | - | 4.97 | 71,180 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,899 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,637 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,703 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,607 |
| European Landlocked Countries | 0 | - | 4.99 | 145,876 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,364 |
| Countries with the Most Species | 0 | - | 4.99 | 95,299 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,604 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,531 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,235 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,404 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,015 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,653 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,023 |
| Countries in the Alps | 0 | - | 4.86 | 116,983 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,682 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,455 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,107 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,510 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,297 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,093 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,697 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,839 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,595 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,151 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,230 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,099 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,536 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,827 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,829 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,290 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,735 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,311 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,938 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,838 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,995 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,683 |
| Largest Countries By Category | 0 | - | 4.97 | 156,908 |
| Countries by Countries | 0 | - | 4.96 | 62,359 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,857 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,170 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,484 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,330 |
| Island Countries | 0 | - | 4.99 | 707,999 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,265 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,786 |
| Northernmost Countries | 0 | - | 4.99 | 358,261 |
| Countries of South America | 0 | - | 5.00 | 916,571 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,610 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,770 |
| "Land" Countries | 0 | - | 4.98 | 333,912 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,196 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,917 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,006 |
| Countries that Start with D | 0 | - | 4.96 | 702,693 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,891 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,285 |
| Countries that Start with H | 0 | - | 4.96 | 598,879 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,398 |
| Countries that Start with J | 0 | - | 4.98 | 596,925 |
| Countries that Start with K | 0 | - | 4.97 | 810,266 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,979 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,863 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,574 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,048 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,997 |
| Countries that Start with U | 0 | - | 4.97 | 900,582 |
| Countries that Start with V | 0 | - | 4.98 | 605,688 |
| Countries that Start with F | 0 | - | 4.83 | 612,968 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,556 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,474 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,721 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,211 |
| Orthodox Countries | 0 | - | 4.91 | 130,541 |
| Richest Island Countries | 0 | - | 4.84 | 99,651 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,063 |
| Monarchies of Europe | 0 | - | 4.90 | 97,455 |
| Monarchies of Asia | 0 | - | 4.97 | 70,674 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,643 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,493 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,448 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,325 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,632 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,609 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,751 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,526 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,079 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,818 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,746 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,108 |
| European Countries with One Border | 0 | - | 4.97 | 181,782 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,681 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,607 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,698 |
| Countries with Megacities | 0 | - | 4.99 | 247,745 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,548 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,236 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,951 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,178 |
| Countries by Official Language | 0 | - | 4.95 | 192,974 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,428 |
| Countries in their Native Language | 0 | - | 4.99 | 196,837 |
| Independence from Whom | 0 | - | 4.99 | 209,947 |
| Subdivisions by Country | 0 | - | 4.86 | 50,113 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,929 |
| Megadiverse Countries | 0 | - | 4.97 | 133,977 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,006 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,967 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,481 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,886 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,784 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,068 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,212 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,229 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,263 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,763 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,465 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,567 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,554 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,747 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,176 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,050 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,411 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,438 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,603 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,376 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,118 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,096 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,017 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,211 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,410 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,019 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,454 |
| Widest Countries East to West | 0 | - | 4.92 | 128,954 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,260 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,364 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,615 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,781 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,723 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,153 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,087 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,625 |
| Countries with Double Letters | 0 | - | 4.96 | 93,576 |
| Countries that End in N | 0 | - | 4.94 | 157,056 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,894 |
| Countries with Six Letters | 0 | - | 4.93 | 210,559 |
| Countries with W | 0 | - | 4.97 | 158,353 |
| Countries with Z | 0 | - | 4.98 | 288,085 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,677 |
| Countries That End in U | 0 | - | 4.95 | 119,586 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,779 |
| Countries that End in O | 0 | - | 4.92 | 158,615 |
| Countries that End in R | 0 | - | 4.87 | 118,337 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,907 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,290 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,466 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,590 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,129 |
| Countries That End in Y | 0 | - | 4.90 | 185,255 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,523 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,820 |
| Countries that End in I | 0 | - | 4.94 | 134,498 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,357 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,256 |
| Countries That End in NIA | 0 | - | 4.92 | 109,077 |
| Countries That End in BIA | 0 | - | 4.92 | 147,797 |