| Countries with the Most Military Troops | 0 | - | 4.95 | 285,272 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,800 |
| Countries with NO Military | 0 | - | 4.97 | 61,253 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,359 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,116 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,391 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,411 |
| European Countries with One Border | 0 | - | 4.97 | 181,751 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,648 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,943 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,562 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,136 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,698 |
| Countries Bordering France | 0 | - | 4.83 | 399,996 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,297 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,895 |
| NATO Countries | 0 | - | 4.98 | 276,315 |
| EU Countries Quiz | 0 | - | 4.99 | 270,343 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,235 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,918 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,971 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,977,379 |
| Countries Bordering India | 0 | - | 4.98 | 162,658 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,849 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,953 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,245 |
| Countries that Border China | 0 | - | 4.96 | 261,957 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,568 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,326 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,502 |
| Merged Countries #2 | 0 | - | 4.96 | 98,524 |
| Merged Countries #6 | 0 | - | 4.91 | 72,775 |
| Merged Countries #7 | 0 | - | 4.92 | 82,025 |
| Landlocked Countries | 0 | - | 4.99 | 414,330 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,361 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,108 |
| Countries in World War I | 0 | - | 4.88 | 226,736 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,543 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,612 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,809 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,217 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,026 |
| Buddhist Countries | 0 | - | 4.96 | 143,056 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,243 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,713 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,797 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,047 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 59,998 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,879 |
| Himalayan Countries | 0 | - | 4.95 | 135,607 |
| Andean Countries | 0 | - | 4.94 | 82,962 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,325 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,366 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,028 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,697 |
| Danube Countries | 0 | - | 4.97 | 71,150 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,852 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,609 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,629 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,544 |
| European Landlocked Countries | 0 | - | 4.99 | 145,844 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,309 |
| Countries with the Most Species | 0 | - | 4.99 | 95,285 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,461 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,393 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,996 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,635 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,939 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,649 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,394 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,073 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,481 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,258 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,065 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,666 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,540 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,125 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,220 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,086 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,508 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,254 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,807 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,801 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,216 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,715 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,292 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,160 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,871 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,664 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,909 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,655 |
| Largest Countries By Category | 0 | - | 4.97 | 156,875 |
| Orthodox Countries | 0 | - | 4.91 | 130,495 |
| Countries by Countries | 0 | - | 4.96 | 62,328 |
| Richest Island Countries | 0 | - | 4.84 | 99,618 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| Monarchies of Asia | 0 | - | 4.97 | 70,655 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,809 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,591 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,838 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,472 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,381 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,288 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,599 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,595 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,734 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,435 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,050 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,789 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,546 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,311 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,497 |
| Countries that Start with D | 0 | - | 4.96 | 702,362 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,486 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,862 |
| Countries that Start with H | 0 | - | 4.96 | 598,628 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,076 |
| Countries that Start with J | 0 | - | 4.98 | 596,678 |
| Countries that Start with K | 0 | - | 4.97 | 810,006 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,637 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,538 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,286 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,616 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,777 |
| Countries that Start with U | 0 | - | 4.97 | 900,386 |
| Countries that Start with V | 0 | - | 4.98 | 605,523 |
| Countries that Start with F | 0 | - | 4.83 | 612,748 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,202 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,720 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,793 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,235 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,712 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,060 |
| Random Countries by Borders | 0 | - | 4.99 | 81,739 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,573 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,854 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,390 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,196 |
| Island Countries | 0 | - | 4.99 | 707,890 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,707 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,326 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,449 |
| Northernmost Countries | 0 | - | 4.99 | 358,104 |
| Countries of South America | 0 | - | 5.00 | 916,018 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,130 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,808 |
| "Land" Countries | 0 | - | 4.98 | 333,837 |
| Countries That Border Russia | 0 | - | 4.98 | 459,341 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,159 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,990 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,393 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,331 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,193 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,532 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,523 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,494 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,257 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,270 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,945 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,618 |
| Countries with Megacities | 0 | - | 4.99 | 247,542 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,452 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,199 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,871 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,124 |
| Countries by Official Language | 0 | - | 4.95 | 192,924 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,344 |
| Countries in their Native Language | 0 | - | 4.99 | 196,778 |
| Independence from Whom | 0 | - | 4.99 | 209,876 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,887 |
| Megadiverse Countries | 0 | - | 4.97 | 133,961 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,942 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,951 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,876 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,753 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,048 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,175 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,214 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,247 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,760 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,731 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,454 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,547 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,534 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,728 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,059 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,790 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,406 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,526 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,309 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,049 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,971 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,964 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,148 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,368 |