| Richest Island Countries | 0 | - | 4.85 | 100,927 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,705 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,396 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,668 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,819 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,702 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,579 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,557 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,402 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,834 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,006 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,258 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,233 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,322 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,802 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,148 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,610 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,684,929 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,272 |
| NATO Countries | 0 | - | 4.98 | 282,172 |
| EU Countries Quiz | 0 | - | 4.99 | 276,324 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,966 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,283 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,623 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,246 |
| Countries with NO Military | 0 | - | 4.97 | 62,830 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,534 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,631 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,144 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,892 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.53 | 291,721 |
| Five Richest Countries by Continent | 0 | - | 4.69 | 207,686 |
| Landlocked Countries | 0 | - | 4.99 | 423,264 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,732 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,046 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,875 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,352 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,721 |
| Buddhist Countries | 0 | - | 4.96 | 144,765 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,799 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,115 |
| Himalayan Countries | 0 | - | 4.94 | 139,297 |
| Andean Countries | 0 | - | 4.93 | 84,924 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,140 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,301 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,718 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,034 |
| Danube Countries | 0 | - | 4.97 | 72,155 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,231 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,566 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,584 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,095 |
| European Landlocked Countries | 0 | - | 4.99 | 147,309 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,879 |
| Countries with the Most Species | 0 | - | 4.99 | 103,360 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,009 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,657 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,635 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,392 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,805 |
| Countries in the Alps | 0 | - | 4.87 | 118,410 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,860 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,329 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,772 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,746 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,658 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,062 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,850 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,629 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,261 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,983 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,734 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,605 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,343 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,591 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,658 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,231 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,429 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,909 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,281 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,628 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,494 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Largest Countries By Category | 0 | - | 4.97 | 158,449 |
| Countries by Countries | 0 | - | 4.96 | 63,387 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,821 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,735 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,927 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,162 |
| Island Countries | 0 | - | 4.99 | 711,531 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 72,831 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,966 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,525 |
| Northernmost Countries | 0 | - | 4.99 | 362,629 |
| Countries of South America | 0 | - | 5.00 | 929,172 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,174 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,387 |
| "Land" Countries | 0 | - | 4.98 | 337,702 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,648 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,698 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,120 |
| Countries that Start with D | 0 | - | 4.96 | 713,306 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,449 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,703 |
| Countries that Start with H | 0 | - | 4.96 | 607,344 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,702 |
| Countries that Start with J | 0 | - | 4.98 | 604,849 |
| Countries that Start with K | 0 | - | 4.97 | 818,464 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,979 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,040 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,370 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,365 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,592 |
| Countries that Start with U | 0 | - | 4.97 | 906,465 |
| Countries that Start with V | 0 | - | 4.98 | 610,738 |
| Countries that Start with F | 0 | - | 4.83 | 619,583 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,276 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,667 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,998 |
| Orthodox Countries | 0 | - | 4.92 | 132,451 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 22,963 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,978 |
| Monarchies of Europe | 0 | - | 4.90 | 98,503 |
| Monarchies of Asia | 0 | - | 4.97 | 71,329 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,370 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,113 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,852 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,182 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,759 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,293 |
| Countries with Megacities | 0 | - | 4.99 | 265,483 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,109 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,674 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,358 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,745 |
| Countries by Official Language | 0 | - | 4.95 | 195,516 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,753 |
| Countries in their Native Language | 0 | - | 4.99 | 199,302 |
| Independence from Whom | 0 | - | 4.99 | 212,399 |
| Subdivisions by Country | 0 | - | 4.87 | 50,500 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,957 |
| Megadiverse Countries | 0 | - | 4.96 | 135,112 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,323 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,429 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,310 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,145 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,303 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,670 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,648 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,430 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,722 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,190 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,964 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,975 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,499 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,287 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,025 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,073 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,954 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,173 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,475 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,361 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,446 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,150 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,671 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,049 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,160 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,420 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,512 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,673 |
| Widest Countries East to West | 0 | - | 4.92 | 129,782 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.69 | 93,973 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,484 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,795 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,402 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,862 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,737 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,999 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,423 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,827 |
| Companies by Country | 0 | - | 4.61 | 119,945 |
| Countries with Double Letters | 0 | - | 4.96 | 96,545 |
| Countries that End in N | 0 | - | 4.95 | 171,442 |
| Countries with Five Letters | 0 | - | 4.96 | 282,996 |
| Countries with Six Letters | 0 | - | 4.94 | 213,865 |
| Countries with W | 0 | - | 4.96 | 160,549 |
| Countries with Z | 0 | - | 4.98 | 291,794 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,911 |
| Countries That End in U | 0 | - | 4.95 | 120,969 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,679 |
| Countries that End in O | 0 | - | 4.92 | 159,620 |
| Countries that End in R | 0 | - | 4.87 | 119,043 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,800 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,364 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,852 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,604 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,511 |
| Countries That End in Y | 0 | - | 4.91 | 185,956 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,097 |
