| Countries With One Word And Two O's | 0 | - | 4.92 | 55,605 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,579 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,856 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,451 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,551 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,613 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,016 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,292 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,428 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,192 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,780 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,329 |
| Name a Valid World City | 0 | - | 4.83 | 70,880 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,145 |
| Random Country to Capital | 0 | - | 4.98 | 917,405 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,274 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,700 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,940 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,644 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,100 |
| Countries with Four Letters | 0 | - | 4.99 | 421,324 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,072 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,153 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,722 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,528 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,081 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,458 |
| Capital Cities Chain | 0 | - | 4.84 | 82,427 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,601 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,365 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,586 |
| Country Chain | 0 | - | 4.96 | 216,741 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,679 |
| Countries by Emojis | 0 | - | 4.99 | 238,447 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,797 |
| Companies by Country | 0 | - | 4.61 | 119,179 |
| Islands by Country #1 | 0 | - | 4.88 | 175,033 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,316 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,667 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,588 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,740 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,344 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,307 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,846 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,784 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,135 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,811 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,723 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,079 |
| Sea in the Answers | 0 | - | 4.10 | 48,781 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,064 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,037 |
| The Only Country ... | 0 | - | 4.91 | 80,701 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,491 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,881 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,889 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,993 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,587 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,254 |
| Orthodox Countries | 0 | - | 4.92 | 131,206 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,427 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,046 |
| Battle to Country | 0 | - | 4.91 | 53,091 |
| Monarchies of Europe | 0 | - | 4.90 | 97,892 |
| Monarchies of Asia | 0 | - | 4.97 | 70,937 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,301 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,356 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,642 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,449 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,790 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,758 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,750 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,940 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,389 |
| Random Countries by Borders | 0 | - | 4.99 | 82,235 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,641 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,549 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,695 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,258 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,423 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,233 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,269 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,107 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,019 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,736 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,491 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,000 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 121,565 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,681 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,786 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,078 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,655 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,701 |
| Books by Country Quiz | 0 | - | 4.30 | 32,214 |
| Name a Country A-Z | 0 | - | 5.00 | 242,470 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,818 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,723 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,789 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,062 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,736 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,114 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,727 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,591 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,209 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,173 |
| Star Wars Quotes | 0 | - | 4.85 | 183,202 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,573 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,148 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,764 |
| Cities Chain #2 | 0 | - | 4.42 | 56,301 |
| Cities Chain #1 | 0 | - | 4.61 | 66,552 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,705 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,596 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,481 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,292,130 |
| Countries in World War I | 0 | - | 4.88 | 227,759 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,634 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,309 |
| Hindu Countries | 0 | - | 4.86 | 49,965 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,117 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,026 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,489 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,441 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,863 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,091 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,298 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,223 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,286 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,364 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,397 |
| Capital City Etymologies | 0 | - | 4.77 | 63,223 |
| Landlocked Countries | 0 | - | 4.99 | 418,279 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,318 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 45,162 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,727 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 49,059 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,464 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,533 |
| Countries by Milk Production | 0 | - | 4.54 | 43,880 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,160 |
| Mountains by Country | 0 | - | 4.56 | 81,714 |
| Islands by Country #2 | 0 | - | 4.80 | 77,292 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,053 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,794 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,215 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,947 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,086 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,588 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,504 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,215 |
| Countries that Beat a Random Country | 0 | - | 4.57 | 45,598 |
| Name a Valid Country by Disputed Area | 0 | - | 4.64 | 47,845 |
| Name a Valid Country #9 | 0 | - | 4.51 | 45,870 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,865 |
| Word Puzzles - U.S. States | 0 | - | 3.76 | 42,490 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,239 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,435 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,344 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,816 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,033 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 363,138 |
| Brand Name Vocabulary | 0 | - | 4.16 | 38,045 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,475 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,568 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,573 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,806 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,389 |
| Fictional Cities | 0 | - | 4.25 | 47,926 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,103 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,687 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,848 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,186 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,907 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,146 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,071 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,229 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,901 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,433 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,784 |
| Island Countries | 0 | - | 4.99 | 709,496 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,655 |
| Himalayan Countries | 0 | - | 4.94 | 137,135 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,031 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,408 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,703 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,454 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,526 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,587 |
| European Landlocked Countries | 0 | - | 4.99 | 146,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,168 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |