| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,152 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,403 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,522 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,774 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,356 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,512 |
| Richest Island Countries | 0 | - | 4.84 | 100,510 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,369 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,669 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,396 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,424 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,363 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,271 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,519 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,150 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,438,259 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,149 |
| NATO Countries | 0 | - | 4.98 | 280,224 |
| EU Countries Quiz | 0 | - | 4.99 | 273,976 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,221 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,981 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,324 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,409 |
| Countries with NO Military | 0 | - | 4.97 | 62,247 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,154 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,082 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,894 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,575 |
| Landlocked Countries | 0 | - | 4.99 | 420,201 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,941 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,858 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,141 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,366 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,561 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,167 |
| Buddhist Countries | 0 | - | 4.96 | 144,300 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,872 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,239 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,575 |
| Himalayan Countries | 0 | - | 4.95 | 137,980 |
| Andean Countries | 0 | - | 4.95 | 84,206 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,427 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,162 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,066 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,509 |
| Danube Countries | 0 | - | 4.97 | 71,791 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,733 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,185 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,912 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,189 |
| European Landlocked Countries | 0 | - | 4.99 | 146,932 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,324 |
| Countries with the Most Species | 0 | - | 4.99 | 103,064 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,494 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,486 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,644 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,420 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,099 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,486 |
| Countries in the Alps | 0 | - | 4.87 | 117,919 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,679 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,645 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,527 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,421 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,265 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,819 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,436 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,312 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,058 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,679 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,553 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,404 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,042 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,325 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,336 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,474 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,149 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,667 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,766 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,032 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,597 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,080 |
| Largest Countries By Category | 0 | - | 4.97 | 157,876 |
| Countries by Countries | 0 | - | 4.97 | 62,984 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,477 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,062 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,968 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,081 |
| Island Countries | 0 | - | 4.99 | 710,281 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,852 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,570 |
| Northernmost Countries | 0 | - | 4.99 | 361,109 |
| Countries of South America | 0 | - | 5.00 | 924,731 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,617 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,064 |
| "Land" Countries | 0 | - | 4.98 | 336,126 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,105 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,828 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,620 |
| Countries that Start with D | 0 | - | 4.96 | 709,310 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,832 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,918 |
| Countries that Start with H | 0 | - | 4.96 | 604,536 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,952 |
| Countries that Start with J | 0 | - | 4.98 | 602,222 |
| Countries that Start with K | 0 | - | 4.97 | 815,569 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,449 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,421 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,853 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,430 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,625 |
| Countries that Start with U | 0 | - | 4.97 | 904,328 |
| Countries that Start with V | 0 | - | 4.98 | 609,235 |
| Countries that Start with F | 0 | - | 4.83 | 617,429 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,367 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,150 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,557 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,579 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,377 |
| Orthodox Countries | 0 | - | 4.92 | 131,903 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 22,911 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,971 |
| Monarchies of Europe | 0 | - | 4.90 | 98,124 |
| Monarchies of Asia | 0 | - | 4.97 | 71,080 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,788 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,876 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,351 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,691 |
| European Countries with One Border | 0 | - | 4.97 | 182,750 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,550 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,342 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,396 |
| Countries with Megacities | 0 | - | 4.99 | 263,108 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,237 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,203 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,526 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,239 |
| Countries by Official Language | 0 | - | 4.95 | 194,888 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,876 |
| Countries in their Native Language | 0 | - | 4.99 | 198,420 |
| Independence from Whom | 0 | - | 4.99 | 211,661 |
| Subdivisions by Country | 0 | - | 4.86 | 50,345 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,941 |
| Megadiverse Countries | 0 | - | 4.96 | 134,854 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,753 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,243 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,833 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,055 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,875 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,462 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,184 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,920 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,553 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,032 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,305 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,784 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,436 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,077 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,854 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,357 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,574 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,263 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,171 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,742 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,069 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,797 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,705 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,682 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,816 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,949 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,340 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,414 |
| Widest Countries East to West | 0 | - | 4.92 | 129,482 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.69 | 93,728 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,413 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,131 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,050 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,620 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,385 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,680 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,302 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,758 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.52 | 290,635 |
| Companies by Country | 0 | - | 4.61 | 119,635 |
| Countries with Double Letters | 0 | - | 4.97 | 95,344 |
| Countries that End in N | 0 | - | 4.95 | 170,382 |
| Countries with Five Letters | 0 | - | 4.96 | 281,255 |
| Countries with Six Letters | 0 | - | 4.94 | 212,789 |
| Countries with W | 0 | - | 4.97 | 159,700 |
| Countries with Z | 0 | - | 4.98 | 290,605 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,966 |
| Countries That End in U | 0 | - | 4.95 | 120,514 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,978 |
| Countries that End in O | 0 | - | 4.92 | 159,283 |
| Countries that End in R | 0 | - | 4.87 | 118,802 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,568 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,580 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,312 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,208 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,820 |
