| Countries by Number of Books Published | 0 | - | 4.95 | 71,887 |
| Authors by Picture | 0 | - | 4.48 | 25,390 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,492 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,151 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,482 |
| Empires by Maps | 0 | - | 4.98 | 118,364 |
| All Country Flags of the World | 0 | - | 5.00 | 3,599,466 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,384 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,275 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,982 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,702 |
| Play-Doh People from History | 0 | - | 4.99 | 93,815 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,281 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,713 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,868 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,000 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,855 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,168 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,493 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,548 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,522 |
| Horror Movies by Picture | 0 | - | 4.53 | 55,202 |
| Books by Country Quiz | 0 | - | 4.30 | 32,172 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,276 |
| Click the Disney Film by Song #2 | 0 | - | 4.46 | 34,995 |
| Click the Disney Film by Song #1 | 0 | - | 4.61 | 64,153 |
| The Bible by Picture | 0 | - | 4.23 | 19,962 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,782 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,122 |
| Flags with Crescents | 0 | - | 4.98 | 167,475 |
| Country Flag Trivia | 0 | - | 4.81 | 55,880 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,355 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,422 |
| Flags to Languages | 0 | - | 4.95 | 172,435 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,852 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,414 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,345 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,874 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,993 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,491 |
| National Football Team Logos | 0 | - | 4.84 | 178,560 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,147 |
| Technology Giants #1 - Google | 0 | - | 4.40 | 28,152 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,791 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,097 |
| Countries with NO Military | 0 | - | 4.97 | 61,139 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,225 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,696 |
| Coldest World Capitals | 0 | - | 4.95 | 133,028 |
| World Currency Quiz | 0 | - | 4.92 | 298,243 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,748 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,023 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,704 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,093 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,637 |
| NATO Countries | 0 | - | 4.98 | 275,536 |
| EU Countries Quiz | 0 | - | 4.99 | 269,758 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,977 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,700 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,395 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,882 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,095 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,354 |
| Buddhist Countries | 0 | - | 4.96 | 142,909 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,413 |
| Google Suggestions - Countries | 0 | - | 4.91 | 80,724 |
| Name the Color, Not the Word (Stroop Test) | 0 | - | 4.92 | 131,962 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,887 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,224 |
| Years in History by Picture | 0 | - | 4.44 | 35,088 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,468 |
| Where Are These Doors? | 0 | - | 4.45 | 29,573 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 47,558 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,810 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,193 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,425 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,405 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,404 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,737 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,925 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,713 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 17,972 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,277 |
| Military History Vocabulary | 0 | - | 4.91 | 66,623 |
| Battle to Country | 0 | - | 4.91 | 52,494 |
| Monarchies of Europe | 0 | - | 4.90 | 97,282 |
| Monarchies of Asia | 0 | - | 4.97 | 70,582 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,211 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,088 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,481 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,022 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,857 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,118 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,448 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,525 |
| Richest Island Countries | 0 | - | 4.84 | 99,478 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,617 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,054 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,685 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,799 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,299 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,220 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,417 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,983 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,904 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,682 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,081 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,506 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,552 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,980 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,185 |
| Orthodox Countries | 0 | - | 4.91 | 130,342 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,237 |
| The Sun Quiz | 0 | - | 4.93 | 34,091 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,623 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,623 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,080 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,458 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,098 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,230 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,804 |
| Countries that Start with D | 0 | - | 4.96 | 701,181 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,104 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,325 |
| Countries that Start with H | 0 | - | 4.96 | 597,643 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,943 |
| Countries that Start with J | 0 | - | 4.98 | 595,708 |
| Countries that Start with K | 0 | - | 4.97 | 809,136 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,555 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,421 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,258 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,090 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,979 |
| Countries that Start with U | 0 | - | 4.97 | 899,747 |
| Countries that Start with V | 0 | - | 4.98 | 604,914 |
| Countries that Start with F | 0 | - | 4.83 | 611,947 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,972 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,187 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,090 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,091 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,711 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,476 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,419 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,353 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,449 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,473 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,719 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,238 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,470 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,391 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,494 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,091 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,676 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,065 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 426,197 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,737 |
| Category Elimination - Asian Geography #3 | 0 | - | 4.91 | 65,878 |
| Category Elimination - African Geography #2 | 0 | - | 4.92 | 55,804 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,889 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Click Timeline: Star Wars Movies | 0 | - | 4.92 | 89,844 |
| Animals in the Bible | 0 | - | 4.83 | 35,774 |
| Fruits by Picture | 0 | - | 4.20 | 804,515 |
| Old Movies by Picture | 0 | - | 4.51 | 24,782 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,660 |
| Name that Object #1 | 0 | - | 3.56 | 96,294 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,962 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,546 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,218 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,903 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,083 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,759 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,506 |
| International Footballers by Picture | 0 | - | 4.50 | 54,676 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,528 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,582 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,278 |
| Geography by Picture - B | 0 | - | 4.42 | 55,402 |
| Geography by Picture - H | 0 | - | 4.49 | 58,037 |
| Geography by Picture - N | 0 | - | 4.45 | 42,044 |
| Geography by Picture - R | 0 | - | 4.55 | 40,874 |
| Geography by Picture - T | 0 | - | 4.54 | 57,673 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,272 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,824 |
| Flag Maths | 0 | - | 4.78 | 57,671 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,990 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,971 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,636 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,639 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,798 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,332 |
| Soccer Team Logos | 0 | - | 4.26 | 370,607 |
| Random Logos Quiz | 0 | - | 4.32 | 206,963 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,198 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,030 |
