| Majority Muslim Countries | 0 | - | 4.98 | 369,631 |
| NATO Countries | 0 | - | 4.98 | 276,670 |
| EU Countries Quiz | 0 | - | 4.99 | 270,491 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,401 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,966 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,316 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,969 |
| Countries with NO Military | 0 | - | 4.97 | 61,279 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,987 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,998,103 |
| Landlocked Countries | 0 | - | 4.99 | 414,569 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,454 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,183 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,686 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,422 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,826 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,236 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,055 |
| Buddhist Countries | 0 | - | 4.96 | 143,089 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,285 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,744 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,176 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,988 |
| Himalayan Countries | 0 | - | 4.95 | 135,695 |
| Andean Countries | 0 | - | 4.94 | 83,024 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,373 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,431 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,071 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,734 |
| Danube Countries | 0 | - | 4.97 | 71,178 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,896 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,636 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,699 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,602 |
| European Landlocked Countries | 0 | - | 4.99 | 145,876 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,358 |
| Countries with the Most Species | 0 | - | 4.99 | 95,299 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,525 |
| 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 | 59,013 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,652 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,022 |
| Countries in the Alps | 0 | - | 4.86 | 116,977 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,681 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,447 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,106 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,507 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,295 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,091 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,692 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,837 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,593 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,150 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,230 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,098 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,535 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,827 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,828 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,283 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,735 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,310 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,207 |
| 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 | 239,825 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,988 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,682 |
| Largest Countries By Category | 0 | - | 4.97 | 156,906 |
| Orthodox Countries | 0 | - | 4.91 | 130,535 |
| Countries by Countries | 0 | - | 4.96 | 62,358 |
| Richest Island Countries | 0 | - | 4.84 | 99,650 |
| Monarchies of Europe | 0 | - | 4.90 | 97,451 |
| Monarchies of Asia | 0 | - | 4.97 | 70,668 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,901 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,111 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,640 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,855 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,492 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,441 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,323 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,631 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,607 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,749 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,520 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,078 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,816 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,159 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,880 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,983 |
| Countries that Start with D | 0 | - | 4.96 | 702,672 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,870 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,260 |
| Countries that Start with H | 0 | - | 4.96 | 598,866 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,378 |
| Countries that Start with J | 0 | - | 4.98 | 596,906 |
| Countries that Start with K | 0 | - | 4.97 | 810,248 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,961 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,843 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,563 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,022 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,983 |
| Countries that Start with U | 0 | - | 4.97 | 900,567 |
| Countries that Start with V | 0 | - | 4.98 | 605,677 |
| Countries that Start with F | 0 | - | 4.83 | 612,953 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,540 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,743 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,107 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,607 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,144 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,477 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,319 |
| Island Countries | 0 | - | 4.99 | 707,991 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,010 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,754 |
| Northernmost Countries | 0 | - | 4.99 | 358,249 |
| Countries of South America | 0 | - | 5.00 | 916,550 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,598 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,710 |
| "Land" Countries | 0 | - | 4.98 | 333,912 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,174 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,046 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,410 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,352 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,230 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,552 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,386 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,538 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,129 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,700 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,043 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,694 |
| Countries with Megacities | 0 | - | 4.99 | 247,733 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,543 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,234 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,945 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,175 |
| Countries by Official Language | 0 | - | 4.95 | 192,969 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,421 |
| Countries in their Native Language | 0 | - | 4.99 | 196,830 |
| Independence from Whom | 0 | - | 4.99 | 209,944 |
| Subdivisions by Country | 0 | - | 4.86 | 50,112 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,929 |
| Megadiverse Countries | 0 | - | 4.97 | 133,974 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,999 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,967 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,480 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,885 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,783 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,068 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,211 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,228 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,262 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,762 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,463 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,566 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,553 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,743 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,074 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,871 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,435 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,600 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,373 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,115 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,090 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,015 |
| 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 | 61,017 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,453 |
| Widest Countries East to West | 0 | - | 4.92 | 128,954 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,258 |
| 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 | 93,779 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,721 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,152 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,987 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,624 |
| Countries with Double Letters | 0 | - | 4.96 | 93,574 |
| Countries that End in N | 0 | - | 4.94 | 157,056 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,890 |
| Countries with Six Letters | 0 | - | 4.93 | 210,555 |
| Countries with W | 0 | - | 4.97 | 158,350 |
| Countries with Z | 0 | - | 4.98 | 288,084 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,676 |
| Countries That End in U | 0 | - | 4.95 | 119,585 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,777 |
| 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 | 207,284 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,466 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,589 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,128 |
| Countries That End in Y | 0 | - | 4.90 | 185,255 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,521 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,817 |
| Countries that End in I | 0 | - | 4.94 | 134,498 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,357 |
