| NATO Countries | 0 | - | 4.98 | 281,942 |
| EU Countries Quiz | 0 | - | 4.99 | 276,037 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,737 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,984 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,480 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,143 |
| Countries with NO Military | 0 | - | 4.97 | 62,759 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,860 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,650,248 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,026 |
| Landlocked Countries | 0 | - | 4.99 | 422,833 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,721 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,943 |
| Himalayan Countries | 0 | - | 4.95 | 139,107 |
| Andean Countries | 0 | - | 4.93 | 84,841 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,063 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,173 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,644 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,959 |
| Danube Countries | 0 | - | 4.97 | 72,118 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,521 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,498 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,000 |
| European Landlocked Countries | 0 | - | 4.99 | 147,260 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,804 |
| Countries with the Most Species | 0 | - | 4.99 | 103,329 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,932 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,608 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,344 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,768 |
| Countries in the Alps | 0 | - | 4.87 | 118,338 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,659 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,240 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,735 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,022 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,782 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,585 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,235 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,748 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,939 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,703 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,312 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,552 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,619 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,114 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,384 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,623 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,402 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,389 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,299 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,803 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,798 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,975 |
| Largest Countries By Category | 0 | - | 4.97 | 158,366 |
| Countries by Countries | 0 | - | 4.96 | 63,339 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,142 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,636 |
| Buddhist Countries | 0 | - | 4.96 | 144,709 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,766 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,165 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,139 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,371 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,775 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,856 |
| Island Countries | 0 | - | 4.99 | 711,351 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,956 |
| Northernmost Countries | 0 | - | 4.99 | 362,379 |
| Countries of South America | 0 | - | 5.00 | 928,565 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,414 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,950 |
| "Land" Countries | 0 | - | 4.98 | 337,588 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,907 |
| Orthodox Countries | 0 | - | 4.92 | 132,375 |
| Richest Island Countries | 0 | - | 4.85 | 100,882 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,793 |
| Monarchies of Europe | 0 | - | 4.90 | 98,447 |
| Monarchies of Asia | 0 | - | 4.97 | 71,296 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,287 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,082 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,781 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,738 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,082 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,578 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,669 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,075 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,621 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,773 |
| Countries that Start with A | 0 | - | 4.98 | 2,168,540 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,700 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,343 |
| Countries that Start with D | 0 | - | 4.96 | 712,740 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,758 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,031 |
| Countries that Start with H | 0 | - | 4.96 | 606,921 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,155 |
| Countries that Start with J | 0 | - | 4.98 | 604,470 |
| Countries that Start with K | 0 | - | 4.97 | 818,052 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,476 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,528 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,862 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,670 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,901 |
| Countries that Start with U | 0 | - | 4.97 | 906,135 |
| Countries that Start with V | 0 | - | 4.98 | 610,512 |
| Countries that Start with F | 0 | - | 4.83 | 619,285 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,737 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,109 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,630 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,698 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,148 |
| Countries with Megacities | 0 | - | 4.99 | 265,180 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,966 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,611 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,230 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,681 |
| Countries by Official Language | 0 | - | 4.95 | 195,435 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,621 |
| Countries in their Native Language | 0 | - | 4.99 | 199,208 |
| Independence from Whom | 0 | - | 4.99 | 212,298 |
| Subdivisions by Country | 0 | - | 4.87 | 50,474 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,880 |
| Megadiverse Countries | 0 | - | 4.96 | 135,083 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,236 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,400 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,278 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,136 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,241 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,648 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,584 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,403 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,701 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,176 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,869 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,937 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,256 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,008 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,406 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,436 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,272 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,376 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,090 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,489 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,987 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,093 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,377 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,489 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,633 |
| Widest Countries East to West | 0 | - | 4.92 | 129,732 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,476 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,485 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,181 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,824 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,676 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,951 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,404 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,816 |
| Countries with Double Letters | 0 | - | 4.96 | 96,430 |
| Countries that End in N | 0 | - | 4.95 | 171,313 |
| Countries with Five Letters | 0 | - | 4.96 | 282,829 |
| Countries with Six Letters | 0 | - | 4.94 | 213,766 |
| Countries with W | 0 | - | 4.96 | 160,469 |
| Countries with Z | 0 | - | 4.98 | 291,675 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,833 |
| Countries That End in U | 0 | - | 4.95 | 120,921 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,599 |
| Countries that End in O | 0 | - | 4.92 | 159,577 |
| Countries that End in R | 0 | - | 4.87 | 119,012 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,769 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,276 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,786 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,558 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,470 |
| Countries That End in Y | 0 | - | 4.91 | 185,929 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,033 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,956 |
| Countries that End in I | 0 | - | 4.94 | 135,152 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,223 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,868 |
| Countries That End in NIA | 0 | - | 4.92 | 109,846 |
| Countries That End in BIA | 0 | - | 4.93 | 149,287 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,197 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,499 |
| Countries That End in RIA | 0 | - | 4.93 | 126,870 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,088 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,842 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,818 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,250 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,801 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,631 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,095 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,465 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,476 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,075 |
