| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,614 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,469 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,067 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,588 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,663 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,687 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,078 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,494 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,671 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,263 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,847 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,061 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,896 |
| Random Country to Capital | 0 | - | 4.98 | 918,204 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,348 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,045 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,830 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,055 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,752 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,158 |
| Countries with Four Letters | 0 | - | 4.99 | 421,496 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,145 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,208 |
| Capital Cities Chain | 0 | - | 4.83 | 82,476 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,668 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,438 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,659 |
| Country Chain | 0 | - | 4.96 | 216,793 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,767 |
| Countries by Emojis | 0 | - | 4.99 | 238,571 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,691 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,724 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,860 |
| Islands by Country #1 | 0 | - | 4.88 | 175,085 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,359 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,706 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,614 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,938 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,457 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,565 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,002 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,904 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,282 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,899 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,801 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,156 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,099 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,844 |
| Companies by Country | 0 | - | 4.61 | 119,416 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,306 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,060 |
| The Only Country ... | 0 | - | 4.91 | 80,755 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,542 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,920 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,928 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,058 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,621 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,275 |
| Orthodox Countries | 0 | - | 4.92 | 131,291 |
| Battle to Country | 0 | - | 4.91 | 53,139 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| Monarchies of Asia | 0 | - | 4.97 | 70,974 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,452 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,467 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,744 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,508 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,921 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,895 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,975 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,441 |
| Random Countries by Borders | 0 | - | 4.99 | 82,270 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,093 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,650 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,724 |
| US States Quiz | 0 | - | 5.00 | 16,830,457 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,275 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,313 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,147 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,925 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,327 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 130,438 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,914 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,826 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,232 |
| Books by Country Quiz | 0 | - | 4.30 | 32,220 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,875 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,777 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,817 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,401 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,366 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,121 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,273 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,182 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,131 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,711 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,071 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,891 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,147 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,321 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,260 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,158 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,790 |
| Cities Chain #2 | 0 | - | 4.42 | 56,310 |
| Cities Chain #1 | 0 | - | 4.61 | 66,566 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,749 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,660 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,495 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,440 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,319 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,320,528 |
| Countries in World War I | 0 | - | 4.88 | 227,813 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,691 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,810 |
| Hindu Countries | 0 | - | 4.86 | 50,003 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,272 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,748 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,774 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,035 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,527 |
| Name a Country A-Z | 0 | - | 5.00 | 242,644 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,422 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,055 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,410 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,881 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,689 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,482 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,300 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,162 |
| First Names of Scientists | 0 | - | 4.50 | 56,737 |
| Star Wars Quotes | 0 | - | 4.85 | 183,401 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,633 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,660 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,399 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,402 |
| Landlocked Countries | 0 | - | 4.99 | 418,712 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,383 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,754 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,783 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,068 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,548 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,541 |
| Countries by Milk Production | 0 | - | 4.54 | 43,899 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,242 |
| Mountains by Country | 0 | - | 4.56 | 81,723 |
| Islands by Country #2 | 0 | - | 4.80 | 77,315 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,550 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,833 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,226 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,608 |
| Countries that Beat a Random Country | 0 | - | 4.57 | 45,614 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,225 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,265 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,475 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,391 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,158 |
| Historical Middle Names | 0 | - | 4.16 | 35,706 |
| People with Food Names | 0 | - | 4.10 | 60,910 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,476 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,171 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,813 |
| Birth Names | 0 | - | 4.30 | 61,724 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,765 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,398 |
| WWII First Names | 0 | - | 4.44 | 41,744 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,489 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,642 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,871 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,791 |
| Fictional Cities | 0 | - | 4.25 | 47,930 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,109 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,534 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,066 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,200 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,921 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,163 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,080 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,241 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,908 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,547 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,982 |
| Island Countries | 0 | - | 4.99 | 709,662 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,898 |
| Himalayan Countries | 0 | - | 4.94 | 137,333 |
| Andean Countries | 0 | - | 4.95 | 83,882 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,175 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,582 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,796 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,318 |
| Danube Countries | 0 | - | 4.97 | 71,628 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,514 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,032 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,601 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,679 |
| European Landlocked Countries | 0 | - | 4.99 | 146,745 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,100 |
