| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,327 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,959 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,912 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,018 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,864 |
| Countries that Start with D | 0 | - | 4.96 | 706,020 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,942 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,482 |
| Countries that Start with H | 0 | - | 4.96 | 601,690 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,637 |
| Countries that Start with J | 0 | - | 4.98 | 599,651 |
| Countries that Start with K | 0 | - | 4.97 | 812,802 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,294 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,092 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,865 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,311 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,379 |
| Countries that Start with U | 0 | - | 4.97 | 902,487 |
| Countries that Start with V | 0 | - | 4.98 | 607,629 |
| Countries that Start with F | 0 | - | 4.83 | 615,251 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,986 |
| Countries that Start with R | 0 | - | 4.43 | 445,893 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,535 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,408 |
| NATO Countries | 0 | - | 4.98 | 278,598 |
| EU Countries Quiz | 0 | - | 4.99 | 272,158 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,824 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,996 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,330 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,672 |
| Countries with NO Military | 0 | - | 4.97 | 61,756 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,126 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,281 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,226 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,999 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,228,222 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,497 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,928 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,210 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,525 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,658 |
| Buddhist Countries | 0 | - | 4.96 | 143,535 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,919 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,323 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,818 |
| Orthodox Countries | 0 | - | 4.92 | 131,076 |
| Richest Island Countries | 0 | - | 4.84 | 100,094 |
| Battle to Country | 0 | - | 4.91 | 53,014 |
| Monarchies of Europe | 0 | - | 4.90 | 97,793 |
| Monarchies of Asia | 0 | - | 4.97 | 70,889 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,010 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,104 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,441 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,288 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,708 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,932 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,868 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,178 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,888 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,081 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,317 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,821 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,195 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,262 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,628 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,014 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,877 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,208 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,666 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,758 |
| Landlocked Countries | 0 | - | 4.99 | 417,442 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,563 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,647 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,746,987 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,721 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,609 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,737 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,775 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,820 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,272 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,743 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,625 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,189 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,347 |
| Island Countries | 0 | - | 4.99 | 709,176 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,295 |
| Himalayan Countries | 0 | - | 4.95 | 136,816 |
| Andean Countries | 0 | - | 4.95 | 83,635 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,888 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,214 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,561 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,156 |
| Danube Countries | 0 | - | 4.97 | 71,507 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,337 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,923 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,344 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,381 |
| European Landlocked Countries | 0 | - | 4.99 | 146,218 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,911 |
| Countries with the Most Species | 0 | - | 4.99 | 102,514 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,037 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,364 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,541 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,212 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,872 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,253 |
| Countries in the Alps | 0 | - | 4.86 | 117,460 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,082 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,321 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,829 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,337 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,095 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,060 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,874 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,414 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,413 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,254 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,805 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,073 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,082 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,886 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,955 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,482 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,328 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,517 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,828 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,887 |
| Largest Countries By Category | 0 | - | 4.97 | 157,395 |
| Countries by Countries | 0 | - | 4.96 | 62,690 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,500 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,984 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,114 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,433 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,178 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 64,714 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,231 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,049 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,862 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,416 |
| Northernmost Countries | 0 | - | 4.99 | 359,826 |
| Countries of South America | 0 | - | 5.00 | 920,857 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,581 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,629 |
| "Land" Countries | 0 | - | 4.98 | 335,321 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,562 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,223 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,190 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,156 |
| Countries in World War I | 0 | - | 4.88 | 227,610 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,469 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,365 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,816,987 |
| One Border Countries | 0 | - | 4.98 | 466,908 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,356 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,999 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,608,165 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,552 |
| Countries with Megacities | 0 | - | 4.99 | 249,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,401 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,712 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,736 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,676 |
| Countries by Official Language | 0 | - | 4.95 | 194,331 |
| All OPEC Countries Ever | 0 | - | 4.74 | 89,894 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,149 |
| Countries in their Native Language | 0 | - | 4.99 | 197,916 |
| Independence from Whom | 0 | - | 4.99 | 211,023 |
| Subdivisions by Country | 0 | - | 4.86 | 50,235 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,488 |
| Megadiverse Countries | 0 | - | 4.96 | 134,646 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,095,919 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,059 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,123 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,420 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,678 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,971 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,538 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,286 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,738 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,661 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,417 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,824 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,536 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,632 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,733 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,692 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,912 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,254 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,800 |
| World Map Quiz | 0 | - | 4.81 | 64,254 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,826 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,826 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,224 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,766 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,494 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,952 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,376 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,545 |