| Quiz | Points | Best | Rating | Takes |
|---|
| Countries of the World Quiz | 0 | - | 5.00 | 37,617,849 |
| Country Shape Quiz #1 | 0 | - | 4.88 | 791,617 |
| Country Shape Quiz #2 | 0 | - | 4.93 | 363,007 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 257,142 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,238,401 |
| Biggest Countries by Area | 0 | - | 4.99 | 881,761 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 326,488 |
| Island Countries Quiz | 0 | - | 4.99 | 613,518 |
| Northernmost Countries | 0 | - | 4.98 | 316,794 |
| Majority Muslim Countries | 0 | - | 4.97 | 301,380 |
| Countries with the Most Borders | 0 | - | 4.97 | 336,498 |
| Countries That Border Russia | 0 | - | 4.97 | 406,644 |
| Countries and Languages Quiz | 0 | - | 4.86 | 226,673 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 268,402 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 303,786 |
| Countries by Borders #1 | 0 | - | 4.99 | 170,746 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 323,187 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 335,572 |
| One Border Countries | 0 | - | 4.97 | 389,088 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 174,145 |
| Countries of Europe Quiz | 0 | - | 5.00 | 2,838,779 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,416,785 |
| Longest Border by Country #1 | 0 | - | 4.99 | 130,687 |
| Longest Border by Country #2 | 0 | - | 4.95 | 101,162 |
| Countries that Start with A | 0 | - | 4.96 | 1,809,796 |
| Countries that Start with B | 0 | - | 4.93 | 1,948,232 |
| Countries that Start with C | 0 | - | 4.93 | 1,540,458 |
| Countries that Start with D | 0 | - | 4.95 | 539,876 |
| Countries that Start with E | 0 | - | 4.92 | 1,146,370 |
| Countries that Start with G | 0 | - | 4.95 | 1,258,778 |
| Countries that Start with H | 0 | - | 4.91 | 460,210 |
| Countries that Start with I | 0 | - | 4.89 | 1,085,083 |
| Countries that Start with J | 0 | - | 4.96 | 464,371 |
| Countries that Start with K | 0 | - | 4.94 | 656,120 |
| Countries that Start with L | 0 | - | 4.97 | 905,850 |
| Countries that Start with N | 0 | - | 4.88 | 930,496 |
| Countries that Start with P | 0 | - | 4.88 | 1,012,375 |
| Countries that Start with R | 0 | - | 4.39 | 342,437 |
| Countries that Start with S | 0 | - | 4.97 | 1,486,327 |
| Countries that Start with T | 0 | - | 4.83 | 830,585 |
| Countries that Start with U | 0 | - | 4.96 | 745,875 |
| Countries that Start with V | 0 | - | 4.97 | 499,138 |
| Countries that Start with F | 0 | - | 4.70 | 494,910 |
| Countries that Start with M | 0 | - | 4.93 | 1,173,416 |
| Countries that Border Poland | 0 | - | 4.99 | 139,287 |
| Countries that Border China | 0 | - | 4.96 | 223,396 |
| Countries with Four Letters | 0 | - | 4.99 | 365,942 |
| Countries of Africa | 0 | - | 5.00 | 1,970,460 |
| Countries of South America | 0 | - | 5.00 | 721,932 |
| Countries of North America Quiz | 0 | - | 5.00 | 801,574 |
| Countries of Oceania | 0 | - | 5.00 | 808,294 |
| Countries that Border Iraq | 0 | - | 4.96 | 97,854 |
| Countries Bordering Iran | 0 | - | 4.82 | 84,904 |
| Countries Bordering France | 0 | - | 4.82 | 341,609 |
| Countries Bordering Germany | 0 | - | 4.98 | 326,122 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 83,912 |
| Countries Bordering South Africa | 0 | - | 4.98 | 76,875 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 137,876 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 279,116 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 106,976 |
| Countries Bordering Brazil | 0 | - | 4.97 | 119,569 |
| Countries Bordering Turkey | 0 | - | 4.98 | 103,867 |
| Countries Bordering the EU | 0 | - | 4.52 | 50,472 |
| Countries Bordering Austria | 0 | - | 4.97 | 105,856 |
| Countries Bordering India | 0 | - | 4.98 | 150,089 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 133,687 |
| Countries with Z | 0 | - | 4.98 | 234,057 |
| Border Crossings Quiz #2 | 0 | - | 4.98 | 107,222 |
| "Land" Countries | 0 | - | 4.98 | 278,951 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 228,940 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 182,458 |
| Countries Bordering Two or More Oceans | 0 | - | 4.14 | 107,784 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 272,581 |
| Countries Bordering Italy | 0 | - | 4.92 | 76,678 |
| Most Populous Countries in 1900 | 0 | - | 4.88 | 155,526 |
| Countries that Border Hungary | 0 | - | 4.98 | 92,514 |
| Most Populous Countries in 1950 | 0 | - | 4.46 | 67,672 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 64,203 |
| Countries by Borders #2 | 0 | - | 4.96 | 114,111 |
| Longest International Borders | 0 | - | 4.99 | 224,933 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 106,575 |
| Countries by Borders #3 | 0 | - | 4.98 | 75,837 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 77,728 |
| U.S. States with the Highest Population Density | 0 | - | 4.45 | 57,037 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 78,299 |
| Countries with Two Borders | 0 | - | 4.99 | 124,365 |
| U.S. States that Border Canada | 0 | - | 4.86 | 142,480 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 368,054 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,716,982 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 136,337 |
| Countries Two Borders Away From France | 0 | - | 4.41 | 23,557 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 138,116 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 86,925 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 76,923 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 118,614 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 235,891 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 59,216 |
| Countries Bordering Spain | 0 | - | 4.51 | 60,527 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 62,268 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 61,626 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 115,537 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 144,230 |
| Countries Bordering "U" Countries | 0 | - | 4.65 | 6,017 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 51,476 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.94 | 52,248 |
| World Map without 12 Countries | 0 | - | 4.97 | 290,850 |
| Monarchies Bordering Monarchies | 0 | - | 4.82 | 39,647 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.68 | 89,187 |
| Every Country Shape | 0 | - | 5.00 | 350,058 |
| Merged Countries #1 | 0 | - | 4.40 | 92,174 |
| Merged Countries #2 | 0 | - | 4.96 | 84,770 |
| Merged Countries #3 | 0 | - | 4.63 | 71,595 |
| Merged Countries #4 | 0 | - | 4.80 | 79,279 |
| European Countries with One Border | 0 | - | 4.95 | 143,475 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,152,601 |
| Merged Countries #5 | 0 | - | 4.44 | 59,809 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 77,338 |
| Merged Countries #6 | 0 | - | 4.86 | 60,777 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 233,296 |
| Countries with Megacities | 0 | - | 4.99 | 185,828 |
| Countries of Europe by Population | 0 | - | 4.98 | 117,578 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.42 | 357,107 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.38 | 325,076 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 181,689 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 136,650 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 146,165 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 115,067 |
| Bordering Countries Forming Words #1 | 0 | - | 4.91 | 71,446 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 28,415 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 2,875,086 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.68 | 84,135 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 240,112 |
| Countries Bordering D.R. Congo | 0 | - | 4.98 | 57,906 |
| One Country By Letter By Continent | 0 | - | 5.00 | 57,258 |
| Most Populous Countries by Year | 0 | - | 4.75 | 86,286 |
| Largest Countries with No Borders | 0 | - | 4.97 | 173,354 |
| Countries Bordering Kenya | 0 | - | 4.85 | 55,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 91,317 |
| Biggest Countries Bordering the Indian Ocean | 0 | - | 3.60 | 34,684 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 76,065 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 364,035 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 111,936 |
| Biggest Countries Bordering the Atlantic Ocean | 0 | - | 3.67 | 43,601 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 76,506 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.29 | 26,822 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 88,860 |
| Merged Countries #7 | 0 | - | 4.92 | 69,843 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 159,630 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 196,970 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 63,569 |
| Walking Across Borders with Hints #1 | 0 | - | 4.89 | 84,915 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 118,749 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 80,542 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 92,965 |
| Countries Richer Than Their Neighbors | 0 | - | 4.38 | 48,304 |
| Countries Bordering Myanmar | 0 | - | 4.86 | 67,345 |
| Countries Bordering Serbia | 0 | - | 4.93 | 78,286 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 99,957 |
| Flags of the Countries that Start with C | 0 | - | 4.90 | 110,499 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 73,059 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.70 | 66,073 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.90 | 64,372 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 51,565 |
| First Countries to Reach 5 Million People | 0 | - | 4.89 | 104,841 |
| Asian Countries with the Fewest Borders | 0 | - | 4.70 | 84,585 |
| Biggest Cities Near a Border | 0 | - | 4.13 | 15,782 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 129,461 |
| Flags of Countries that Border China | 0 | - | 4.91 | 76,067 |
| Flags of Countries That Border Russia | 0 | - | 4.61 | 58,704 |
| Flags of Countries That Border France | 0 | - | 4.85 | 93,881 |
| Flags of Countries that Border Germany | 0 | - | 4.83 | 80,723 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 66,833 |
| Flags of the Mediterranean | 0 | - | 4.93 | 117,389 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 137,942 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.79 | 69,819 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.85 | 94,692 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 92,349 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 91,150 |
| Smallest Countries Bordering Each Other | 0 | - | 4.52 | 70,709 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 55,812 |
| Bordering Countries by HDI Difference | 0 | - | 4.92 | 45,718 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 89,572 |
| Countries by Bordering Flags #2 | 0 | - | 4.76 | 71,861 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 71,106 |
| One Border Countries - Shape Quiz | 0 | - | 4.88 | 43,990 |
| Borders of One Border Countries | 0 | - | 4.06 | 66,186 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 42,128 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 69,051 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.81 | 68,748 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.90 | 48,453 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 114,880 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 274,024 |
| Random Flag to Country | 0 | - | 4.99 | 460,929 |
| Random Countries by Borders | 0 | - | 4.99 | 62,814 |
| Which Country Does Not Border... | 0 | - | 4.71 | 81,620 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,217,244 |
| All Countries that Once Bordered Germany | 0 | - | 4.32 | 66,793 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 264,311 |
| Bordering Countries by Clue #1 | 0 | - | 4.95 | 65,328 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 66,337 |
