| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,691 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,528 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,887 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,727 |
| Monarchies of Europe | 0 | - | 4.90 | 98,156 |
| Monarchies of Asia | 0 | - | 4.97 | 71,093 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,117 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,089 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,215 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,842 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,588 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,092 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,623,494 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,352 |
| NATO Countries | 0 | - | 4.98 | 280,434 |
| EU Countries Quiz | 0 | - | 4.99 | 274,263 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,390 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,229 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,730 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,863 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,753 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,529 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,390 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,519 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,517 |
| Countries with NO Military | 0 | - | 4.97 | 62,318 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,609 |
| Countries with Four Letters | 0 | - | 4.99 | 422,468 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,602 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,614 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,461,217 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,167 |
| Companies by Country | 0 | - | 4.61 | 119,657 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,672 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,776 |
| Landlocked Countries | 0 | - | 4.99 | 420,548 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,454 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,789 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,684 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,499 |
| Country Chain | 0 | - | 4.96 | 217,102 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,217 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,405 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,556 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,794 |
| Countries by Emojis | 0 | - | 4.99 | 239,720 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,938 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,236 |
| Buddhist Countries | 0 | - | 4.96 | 144,352 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,572 |
| Islands by Country #1 | 0 | - | 4.88 | 175,290 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,744 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,761 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,047 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,921 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,731 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,601 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,011 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,450 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,287 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,659 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,776 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,716 |
| Himalayan Countries | 0 | - | 4.95 | 138,090 |
| Andean Countries | 0 | - | 4.95 | 84,269 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,488 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,335 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,121 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,565 |
| Danube Countries | 0 | - | 4.97 | 71,835 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,796 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,236 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,976 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,425 |
| European Landlocked Countries | 0 | - | 4.99 | 146,966 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,378 |
| Countries with the Most Species | 0 | - | 4.99 | 103,092 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,532 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,507 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,659 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,936 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,204 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,444 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,116 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,505 |
| Countries in the Alps | 0 | - | 4.87 | 117,961 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,484 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,711 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,454 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,306 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,832 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,471 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,341 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,077 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,704 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,071 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,349 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,366 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,543 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,127 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,691 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,441 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,823 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,182 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,668 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,111 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,754 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,473 |
| Largest Countries By Category | 0 | - | 4.97 | 157,931 |
| Orthodox Countries | 0 | - | 4.92 | 131,953 |
| Countries by Countries | 0 | - | 4.97 | 63,013 |
| Richest Island Countries | 0 | - | 4.85 | 100,547 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,702 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,211 |
| Battle to Country | 0 | - | 4.91 | 53,349 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,468 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,218 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,511 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,631 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,511 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,895 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,407 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,417 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,717 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,419 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,455 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,557 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,306 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,544 |
| Mountains by Country | 0 | - | 4.56 | 81,777 |
| Books by Country Quiz | 0 | - | 4.30 | 32,241 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,736 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,434 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,142 |
| Countries that Start with D | 0 | - | 4.96 | 709,666 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,249 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,388 |
| Countries that Start with H | 0 | - | 4.96 | 604,796 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,361 |
| Countries that Start with J | 0 | - | 4.98 | 602,477 |
| Countries that Start with K | 0 | - | 4.97 | 815,828 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,794 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,768 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,174 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,874 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,883 |
| Countries that Start with U | 0 | - | 4.97 | 904,535 |
| Countries that Start with V | 0 | - | 4.98 | 609,378 |
| Countries that Start with F | 0 | - | 4.83 | 617,645 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,737 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,747 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,191 |
| Random Countries by Borders | 0 | - | 4.99 | 82,444 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,370 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,072 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,301 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,049 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,245 |
| Island Countries | 0 | - | 4.99 | 710,394 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,728 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,895 |
| Northernmost Countries | 0 | - | 4.99 | 361,230 |
| Countries of South America | 0 | - | 5.00 | 925,120 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,064 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,971 |
| "Land" Countries | 0 | - | 4.98 | 336,435 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,507 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,290 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,040 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,190 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,135 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,913 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,435 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,026 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,955 |
| Landforms by Country | 0 | - | 4.52 | 51,971 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,041 |
| Airlines by Country | 0 | - | 4.52 | 135,372 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,125 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,020 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,970 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,192 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,088 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,416 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,750 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,354 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,469 |
| Countries with Megacities | 0 | - | 4.99 | 263,440 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,305 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,254 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,605 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,289 |
| Countries by Official Language | 0 | - | 4.95 | 194,941 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,960 |
| Countries in their Native Language | 0 | - | 4.99 | 198,465 |
| Independence from Whom | 0 | - | 4.99 | 211,721 |