| NATO Countries | 0 | - | 4.98 | 277,179 |
| EU Countries Quiz | 0 | - | 4.99 | 270,868 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,045,776 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,762 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,694 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,407 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,561 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,104 |
| Countries with NO Military | 0 | - | 4.97 | 61,355 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,037 |
| Landlocked Countries | 0 | - | 4.99 | 415,236 |
| OPEC Countries | 0 | - | 4.74 | 84,871 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,899 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,527 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,892 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,296 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,782 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,191 |
| Buddhist Countries | 0 | - | 4.96 | 143,194 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,429 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,428 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,656 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,023 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,727 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,451 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,239 |
| Himalayan Countries | 0 | - | 4.95 | 135,929 |
| Andean Countries | 0 | - | 4.94 | 83,148 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,468 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,597 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,169 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,815 |
| Danube Countries | 0 | - | 4.97 | 71,251 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,982 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,699 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,836 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,770 |
| European Landlocked Countries | 0 | - | 4.99 | 145,950 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,497 |
| Countries with the Most Species | 0 | - | 4.99 | 95,332 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,623 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,265 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,436 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,060 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,709 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,065 |
| Countries in the Alps | 0 | - | 4.86 | 117,106 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,741 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,568 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,150 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,571 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,367 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,781 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,887 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,675 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,199 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,268 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,135 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,606 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,871 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,884 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,438 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,789 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,009 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,193 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,159 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,717 |
| Largest Countries By Category | 0 | - | 4.97 | 157,002 |
| Countries by Countries | 0 | - | 4.96 | 62,429 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,924 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,707 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,735 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,701 |
| Island Countries | 0 | - | 4.99 | 708,267 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,538 |
| Northernmost Countries | 0 | - | 4.99 | 358,626 |
| Countries of South America | 0 | - | 5.00 | 917,598 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,904 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,845 |
| "Land" Countries | 0 | - | 4.98 | 334,071 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,610 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,213 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,004 |
| Countries that Start with D | 0 | - | 4.96 | 703,408 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,712 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,163 |
| Countries that Start with H | 0 | - | 4.96 | 599,482 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,089 |
| Countries that Start with J | 0 | - | 4.98 | 597,529 |
| Countries that Start with K | 0 | - | 4.97 | 810,774 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,624 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,562 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,215 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,928 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,496 |
| Countries that Start with U | 0 | - | 4.97 | 900,963 |
| Countries that Start with V | 0 | - | 4.98 | 606,045 |
| Countries that Start with F | 0 | - | 4.83 | 613,475 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,268 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,354 |
| Orthodox Countries | 0 | - | 4.91 | 130,650 |
| Richest Island Countries | 0 | - | 4.84 | 99,778 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,675 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,984 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,792 |
| Monarchies of Europe | 0 | - | 4.90 | 97,525 |
| Monarchies of Asia | 0 | - | 4.97 | 70,720 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,763 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,535 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,571 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,470 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,754 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,693 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,814 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 266,131 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,461 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,902 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,390 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,240 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,867 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,230 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,697 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,866 |
| Countries with Megacities | 0 | - | 4.99 | 248,106 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,747 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,328 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,133 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,274 |
| Countries by Official Language | 0 | - | 4.95 | 193,145 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,655 |
| Countries in their Native Language | 0 | - | 4.99 | 196,979 |
| Independence from Whom | 0 | - | 4.99 | 210,115 |
| Subdivisions by Country | 0 | - | 4.86 | 50,141 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,038 |
| Megadiverse Countries | 0 | - | 4.97 | 134,340 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,137 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,004 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,533 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,901 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,863 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,115 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,313 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,418 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,292 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,783 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,896 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,508 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,612 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,576 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,791 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,259 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,165 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,455 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,568 |
| Communist Countries in History | 0 | - | 4.63 | 493,277 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,758 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,503 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,225 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,268 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,098 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,300 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,486 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,070 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,519 |
| Widest Countries East to West | 0 | - | 4.92 | 129,015 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,281 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,470 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,644 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,813 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,216 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,539 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,639 |
| Countries with Double Letters | 0 | - | 4.96 | 93,664 |
| Countries that End in N | 0 | - | 4.94 | 157,131 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,016 |
| Countries with Six Letters | 0 | - | 4.93 | 210,675 |
| Countries with W | 0 | - | 4.97 | 158,414 |
| Countries with Z | 0 | - | 4.98 | 288,220 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,749 |
| Countries That End in U | 0 | - | 4.95 | 119,607 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,857 |
| Countries that End in O | 0 | - | 4.92 | 158,651 |
| Countries that End in R | 0 | - | 4.87 | 118,372 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,930 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,396 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,543 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,641 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,194 |
| Countries That End in Y | 0 | - | 4.90 | 185,283 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,610 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,891 |
| Countries that End in I | 0 | - | 4.94 | 134,540 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,455 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,296 |
| Countries That End in NIA | 0 | - | 4.92 | 109,114 |
| Countries That End in BIA | 0 | - | 4.92 | 147,846 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,246 |
