| Countries With One Word And Two O's | 0 | - | 4.92 | 56,350 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,139 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,308 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,992 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,320 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,692 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,889 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,396 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,812 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,074 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,742 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,642,913 |
| Name a Valid World City | 0 | - | 4.84 | 71,712 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,926 |
| Random Country to Capital | 0 | - | 4.98 | 925,254 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,244 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,441 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,214 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,618 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,179 |
| Countries with Four Letters | 0 | - | 4.99 | 424,756 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,485 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,354 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,215 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,693 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,329 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,738 |
| Capital Cities Chain | 0 | - | 4.84 | 83,166 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,332 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,558 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,948 |
| Country Chain | 0 | - | 4.96 | 217,959 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,255 |
| Countries by Emojis | 0 | - | 4.99 | 241,176 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,803 |
| Companies by Country | 0 | - | 4.61 | 120,000 |
| Islands by Country #1 | 0 | - | 4.90 | 175,821 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,996 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,344 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,186 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,117 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,905 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,431 |
| Name a Valid Country #2 | 0 | - | 4.98 | 252,960 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,002 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,956 |
| Name a Valid Country #6 | 0 | - | 4.94 | 139,575 |
| Name a Valid Country #7 | 0 | - | 4.91 | 130,846 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,099 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,769 |
| Sea in the Answers | 0 | - | 4.08 | 49,097 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 341,977 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,368 |
| The Only Country ... | 0 | - | 4.91 | 81,649 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,461 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,535 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,481 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,109 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,972 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,740 |
| Orthodox Countries | 0 | - | 4.92 | 132,541 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,170 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,478 |
| Battle to Country | 0 | - | 4.91 | 53,732 |
| Monarchies of Europe | 0 | - | 4.90 | 98,588 |
| Monarchies of Asia | 0 | - | 4.97 | 71,367 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,361 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,411 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,125 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,508 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,729 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,738 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,156 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,395 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,269 |
| Random Countries by Borders | 0 | - | 4.99 | 82,850 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,169 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,950 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,384 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,486 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,707 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,278 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,838 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,694 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,431 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,189 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,026 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,425 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,593 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,262 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,318 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,021 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,743 |
| Books by Country Quiz | 0 | - | 4.30 | 32,296 |
| Name a Country A-Z | 0 | - | 5.00 | 244,917 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,571 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,515 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,614 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,851 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,632 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,276 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,402 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,100 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,549 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,065 |
| Star Wars Quotes | 0 | - | 4.86 | 185,589 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,823 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,384 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,265 |
| Cities Chain #2 | 0 | - | 4.42 | 56,469 |
| Cities Chain #1 | 0 | - | 4.61 | 66,750 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,713 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,175 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,010 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,731,075 |
| Countries in World War I | 0 | - | 4.88 | 228,771 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,743 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 980,712 |
| Hindu Countries | 0 | - | 4.87 | 50,432 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,779 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,518 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,905 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,625 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,182 |
| Boundary Waters | 0 | - | 4.92 | 88,668 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,331 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,478 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,046 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,790 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,791 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,661 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,356 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,462 |
| Capital City Etymologies | 0 | - | 4.77 | 63,461 |
| Landlocked Countries | 0 | - | 4.99 | 423,807 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,126 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,041 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,986 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,343 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,230 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,651 |
| Countries by Milk Production | 0 | - | 4.54 | 44,155 |
| Mountains by Country | 0 | - | 4.56 | 81,920 |
| Islands by Country #2 | 0 | - | 4.80 | 77,700 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,995 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,377 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,350 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,527 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,593 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,386 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,053 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,477 |
| Countries that Beat a Random Country | 0 | - | 4.54 | 46,518 |
| Name a Valid Country by Disputed Area | 0 | - | 4.74 | 63,122 |
| Name a Valid Country #9 | 0 | - | 4.47 | 46,622 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,067 |
| Word Puzzles - U.S. States | 0 | - | 3.76 | 42,569 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,629 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,661 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,280 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,125 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,695 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 364,870 |
| Brand Name Vocabulary | 0 | - | 4.17 | 38,118 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,819 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,707 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,730 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,223 |
| Fictional Cities | 0 | - | 4.26 | 47,970 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,207 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,246 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,353 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,381 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,141 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,421 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,277 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,479 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,097 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,096 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,529 |
| Island Countries | 0 | - | 4.99 | 711,754 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,338 |
| Himalayan Countries | 0 | - | 4.94 | 139,514 |
| Andean Countries | 0 | - | 4.94 | 85,053 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,242 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,443 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,800 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,114 |
| Danube Countries | 0 | - | 4.97 | 72,208 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,302 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,622 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,704 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,211 |
| European Landlocked Countries | 0 | - | 4.99 | 147,376 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,975 |
| Countries with the Most Species | 0 | - | 4.99 | 103,421 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,112 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |