| Countries of the World Quiz | 0 | - | 5.00 | 47,558,730 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,528 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,459 |
| Landlocked Countries | 0 | - | 4.99 | 421,670 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,582 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,670 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,167 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,325 |
| Countries that Start with D | 0 | - | 4.96 | 711,257 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,044 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,325 |
| Countries that Start with H | 0 | - | 4.96 | 605,898 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,790 |
| Countries that Start with J | 0 | - | 4.98 | 603,521 |
| Countries that Start with K | 0 | - | 4.97 | 817,018 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,151 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,169 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,600 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,885 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,947 |
| Countries that Start with U | 0 | - | 4.97 | 905,407 |
| Countries that Start with V | 0 | - | 4.98 | 609,958 |
| Countries that Start with F | 0 | - | 4.83 | 618,496 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,301 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,704 |
| Orthodox Countries | 0 | - | 4.92 | 132,194 |
| Monarchies of Europe | 0 | - | 4.90 | 98,292 |
| Monarchies of Asia | 0 | - | 4.97 | 71,179 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,981 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,957 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,313 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,430 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,002 |
| Island Countries | 0 | - | 4.99 | 710,928 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,296 |
| Himalayan Countries | 0 | - | 4.95 | 138,587 |
| Andean Countries | 0 | - | 4.93 | 84,527 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,719 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,716 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,353 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,742 |
| Danube Countries | 0 | - | 4.97 | 71,969 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,968 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,384 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,238 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,719 |
| European Landlocked Countries | 0 | - | 4.99 | 147,098 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,577 |
| Countries with the Most Species | 0 | - | 4.99 | 103,205 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,710 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,572 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,706 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,519 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,201 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,624 |
| Countries in the Alps | 0 | - | 4.87 | 118,157 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,906 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,983 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,625 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,567 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,463 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,923 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,636 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,463 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,159 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,816 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,637 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,495 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,191 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,439 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,492 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,827 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,285 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,279 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,023 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,769 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,009 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,196 |
| Largest Countries By Category | 0 | - | 4.97 | 158,163 |
| Countries by Countries | 0 | - | 4.96 | 63,167 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,709 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,752 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,252 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,328 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,898 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,644 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,472 |
| Northernmost Countries | 0 | - | 4.99 | 361,809 |
| Countries of South America | 0 | - | 5.00 | 926,943 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,336 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,354 |
| "Land" Countries | 0 | - | 4.98 | 337,247 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,260 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,183 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,066 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,366 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,322 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,388 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,938 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,921 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,680 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,853 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,802 |
| Countries with Megacities | 0 | - | 4.99 | 264,376 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,663 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,424 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,930 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,494 |
| Countries by Official Language | 0 | - | 4.95 | 195,200 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,281 |
| Countries in their Native Language | 0 | - | 4.99 | 198,986 |
| Independence from Whom | 0 | - | 4.99 | 212,018 |
| Subdivisions by Country | 0 | - | 4.86 | 50,421 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,674 |
| Countries in World War I | 0 | - | 4.88 | 228,390 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,288 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,029 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,332 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,215 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,079 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,578 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,420 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,008 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,630 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,128 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,621 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,856 |
| Hindu Countries | 0 | - | 4.86 | 50,264 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,183 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,948 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,334 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,475 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,322 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,019 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,243 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,962 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,119 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,853 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,981 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,269 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,421 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,551 |
| Widest Countries East to West | 0 | - | 4.92 | 129,618 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,441 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,342 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,109 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,749 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,561 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,833 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,364 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,795 |
| Countries with Double Letters | 0 | - | 4.96 | 96,157 |
| Countries that End in N | 0 | - | 4.95 | 171,035 |
| Countries with Five Letters | 0 | - | 4.96 | 282,284 |
| Countries with Six Letters | 0 | - | 4.94 | 213,465 |
| Countries with W | 0 | - | 4.97 | 160,267 |
| Countries with Z | 0 | - | 4.98 | 291,352 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,633 |
| Countries That End in U | 0 | - | 4.95 | 120,816 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,394 |
| Countries that End in O | 0 | - | 4.92 | 159,486 |
| Countries that End in R | 0 | - | 4.87 | 118,948 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,703 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,005 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,642 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,437 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,355 |
| Countries That End in Y | 0 | - | 4.91 | 185,855 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,855 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,812 |
| Countries that End in I | 0 | - | 4.94 | 135,065 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,029 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,796 |
| Countries That End in NIA | 0 | - | 4.92 | 109,754 |
| Countries That End in BIA | 0 | - | 4.93 | 149,160 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,068 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,392 |
| Countries That End in RIA | 0 | - | 4.93 | 126,782 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,983 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,509 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,651 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,056 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,613 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,554 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,987 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,433 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,396 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,941 |
| Countries that End in L | 0 | - | 4.94 | 156,799 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,569 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,254 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,998 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,925 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,969 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,679 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,610 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,947 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,498 |
