| Countries of the World Quiz | 0 | - | 5.00 | 46,967,752 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,818 |
| NATO Countries | 0 | - | 4.98 | 276,244 |
| EU Countries Quiz | 0 | - | 4.99 | 270,277 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,218 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,737 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,206 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,890 |
| Countries with NO Military | 0 | - | 4.97 | 61,240 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,964 |
| Landlocked Countries | 0 | - | 4.99 | 414,212 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,587 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,371 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,798 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,204 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,009 |
| Buddhist Countries | 0 | - | 4.96 | 143,028 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,075 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,219 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,721,748 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,733 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,785 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,877 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,188 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,233 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,391 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,643 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,366 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,482 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,333 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,557 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,299 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,465 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,825 |
| Himalayan Countries | 0 | - | 4.95 | 135,552 |
| Andean Countries | 0 | - | 4.94 | 82,939 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,302 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,346 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,005 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,677 |
| Danube Countries | 0 | - | 4.97 | 71,129 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,597 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,608 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,517 |
| European Landlocked Countries | 0 | - | 4.99 | 145,829 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,296 |
| Countries with the Most Species | 0 | - | 4.99 | 95,279 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,439 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,218 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,387 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,988 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,619 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,000 |
| Countries in the Alps | 0 | - | 4.86 | 116,921 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,637 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,366 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,061 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,473 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,242 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,055 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,657 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,810 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,512 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,114 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,214 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,075 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,493 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,801 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,791 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,189 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,703 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,288 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,854 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,599 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,870 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,637 |
| Largest Countries By Category | 0 | - | 4.97 | 156,860 |
| Countries by Countries | 0 | - | 4.96 | 62,320 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,827 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,743 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,346 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,159 |
| Island Countries | 0 | - | 4.99 | 707,840 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,272 |
| Northernmost Countries | 0 | - | 4.99 | 358,037 |
| Countries of South America | 0 | - | 5.00 | 915,824 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,861 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,419 |
| "Land" Countries | 0 | - | 4.98 | 333,804 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,237 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,066 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,300 |
| Countries that Start with D | 0 | - | 4.96 | 702,235 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,301 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,677 |
| Countries that Start with H | 0 | - | 4.96 | 598,514 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,947 |
| Countries that Start with J | 0 | - | 4.98 | 596,568 |
| Countries that Start with K | 0 | - | 4.97 | 809,902 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,497 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,402 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,165 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,433 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,685 |
| Countries that Start with U | 0 | - | 4.97 | 900,294 |
| Countries that Start with V | 0 | - | 4.98 | 605,460 |
| Countries that Start with F | 0 | - | 4.83 | 612,655 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,057 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,148 |
| Orthodox Countries | 0 | - | 4.91 | 130,480 |
| Richest Island Countries | 0 | - | 4.84 | 99,608 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,999 |
| Monarchies of Europe | 0 | - | 4.90 | 97,398 |
| Monarchies of Asia | 0 | - | 4.97 | 70,648 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,570 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,467 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,361 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,276 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,589 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,591 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,725 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,385 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,033 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,775 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,694 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,045 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,284 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,094 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,500 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,141 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,087 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,560 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,576 |
| Countries with Megacities | 0 | - | 4.99 | 247,474 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,421 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,170 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,828 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,092 |
| Countries by Official Language | 0 | - | 4.95 | 192,900 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,307 |
| Countries in their Native Language | 0 | - | 4.99 | 196,754 |
| Independence from Whom | 0 | - | 4.99 | 209,847 |
| Subdivisions by Country | 0 | - | 4.86 | 50,097 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,870 |
| Megadiverse Countries | 0 | - | 4.97 | 133,954 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,927 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,947 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,458 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,872 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,737 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,042 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,159 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,204 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,243 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,758 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,713 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,449 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,537 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,530 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,152 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,962 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,382 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,398 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,478 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,245 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,009 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,932 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,926 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,118 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,335 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,979 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,379 |
| Widest Countries East to West | 0 | - | 4.92 | 128,662 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,226 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,302 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,594 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,731 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,685 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,108 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,065 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,600 |
| Countries with Double Letters | 0 | - | 4.96 | 93,489 |
| Countries that End in N | 0 | - | 4.94 | 156,978 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,794 |
| Countries with Six Letters | 0 | - | 4.93 | 210,465 |
| Countries with W | 0 | - | 4.97 | 158,298 |
| Countries with Z | 0 | - | 4.98 | 288,005 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,619 |
| Countries That End in U | 0 | - | 4.95 | 119,549 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,689 |
| Countries that End in O | 0 | - | 4.92 | 158,590 |
| Countries that End in R | 0 | - | 4.87 | 118,304 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,880 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,204 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,415 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,552 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,091 |
| Countries That End in Y | 0 | - | 4.90 | 185,235 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,474 |
