| Former Countries by Territory Map | 0 | - | 4.96 | 103,101 |
| Empires by Maps | 0 | - | 4.98 | 120,936 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,772 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,341 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,690 |
| Play-Doh People from History | 0 | - | 4.99 | 95,038 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,228 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,551 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,741 |
| All Country Flags of the World | 0 | - | 5.00 | 3,679,081 |
| What Do These Two Countries Have in Common? | 0 | - | 4.98 | 72,209 |
| What Am I Talking About? #1 | 0 | - | 4.85 | 54,251 |
| What Am I Talking About #2 | 0 | - | 4.83 | 32,158 |
| History - Did They Have It? | 0 | - | 4.84 | 61,956 |
| History: What Came First? #1 | 0 | - | 4.87 | 105,489 |
| History: What Came First? #2 | 0 | - | 4.81 | 79,712 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,395 |
| Multiple Choice Geography #3 | 0 | - | 4.81 | 74,379 |
| Country Confusion | 0 | - | 4.98 | 62,468 |
| Years in History by Picture | 0 | - | 4.44 | 35,604 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,083 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,841 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,188 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,328 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,757 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,685 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,706 |
| Name that Object #1 | 0 | - | 3.57 | 96,530 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,656 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,677 |
| Flags with Crescents | 0 | - | 4.98 | 170,063 |
| Country Flag Trivia | 0 | - | 4.81 | 57,325 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,106 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,784 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,765 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,482 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,462 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,034 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,688 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,727 |
| National Football Team Logos | 0 | - | 4.85 | 180,813 |
| Has Anyone Ever Done It #1 | 0 | - | 4.81 | 55,356 |
| What's Bigger? #1 | 0 | - | 4.87 | 150,625 |
| Northern Hemisphere... or Southern Hemisphere? | 0 | - | 4.95 | 110,884 |
| Old Movies by Picture | 0 | - | 4.51 | 25,149 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,125 |
| Random Logos Quiz | 0 | - | 4.33 | 208,778 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,508 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,129 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,078 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,675 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,873 |
| Drink It, Play It, or Spend It | 0 | - | 4.44 | 28,442 |
| Which Came First? | 0 | - | 4.37 | 74,881 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,643 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,685 |
| Fruits by Picture | 0 | - | 4.19 | 807,937 |
| Geography by Picture - B | 0 | - | 4.42 | 55,669 |
| Geography by Picture - H | 0 | - | 4.50 | 58,277 |
| Geography by Picture - N | 0 | - | 4.45 | 42,246 |
| Geography by Picture - R | 0 | - | 4.56 | 41,069 |
| Geography by Picture - T | 0 | - | 4.54 | 57,896 |
| Flags to Languages | 0 | - | 4.95 | 173,909 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,521 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,683 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,927 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,607 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,767 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,241 |
| Geography True or False #2 | 0 | - | 4.41 | 87,988 |
| Geography True or False #3 | 0 | - | 4.42 | 78,202 |
| Geography True or False #4 | 0 | - | 4.49 | 82,190 |
| History True or False #3 | 0 | - | 4.43 | 56,997 |
| Geography True or False #1 | 0 | - | 4.48 | 123,228 |
| Geography True or False #6 | 0 | - | 4.62 | 55,356 |
| Head to Head - Countries #1 | 0 | - | 4.99 | 131,826 |
| Head to Head - Countries #2 | 0 | - | 4.96 | 93,676 |
| Head to Head - Animals | 0 | - | 4.88 | 69,676 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,068 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,704 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,095 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,794 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,511 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,430 |
| Multiple Choice Geography #1 | 0 | - | 4.77 | 136,524 |
| Multiple Choice Geography #2 | 0 | - | 4.46 | 89,863 |
| Movie Quotes Multiple Choice #1 | 0 | - | 4.46 | 33,802 |
| Three Real and One Fake - World Geography | 0 | - | 4.51 | 98,336 |
| World Statistics - Up or Down? | 0 | - | 4.62 | 38,792 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,316 |
| Name that Object #2 | 0 | - | 3.64 | 15,468 |
| Name that Object #3 | 0 | - | 3.93 | 14,423 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,579 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,092 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,158 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,802 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,551 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,247 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,637 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,129 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,518 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,367 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,832 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,193 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,454 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,560 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,117 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,838 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,751 |
| Name that Bug | 0 | - | 4.12 | 45,587 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,415 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,045 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,769 |
| Elements by Picture | 0 | - | 4.27 | 70,073 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,380 |
| Islands by Picture | 0 | - | 4.28 | 107,235 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,306 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,352 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,541 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,768 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,326 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,007 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,087 |
| International Footballers by Picture | 0 | - | 4.50 | 55,873 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,034 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,972 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,950 |
| Geography by Picture - A | 0 | - | 4.39 | 60,319 |
| Geography by Picture - D | 0 | - | 4.15 | 45,703 |
| Geography by Picture - F | 0 | - | 4.31 | 51,067 |
| Geography by Picture - G | 0 | - | 4.39 | 47,994 |
| Geography by Picture - J | 0 | - | 4.16 | 38,510 |
| Geography by Picture - K | 0 | - | 4.29 | 33,171 |
| Geography by Picture - C | 0 | - | 4.31 | 57,123 |
| Geography by Picture - L | 0 | - | 4.37 | 59,035 |
| Geography by Picture - M | 0 | - | 4.14 | 40,502 |
| Geography by Picture - P | 0 | - | 4.24 | 42,475 |
| Geography by Picture - S | 0 | - | 4.38 | 47,080 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,947 |
| Flag Maths | 0 | - | 4.64 | 57,788 |
| Satellite Images #1 | 0 | - | 4.47 | 129,476 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,394 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,984 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,007 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,039 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,174 |
| Soccer Team Logos | 0 | - | 4.26 | 375,543 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,614 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,342 |
| Movie Logos | 0 | - | 4.33 | 239,097 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,631 |
| History by Picture - A | 0 | - | 4.26 | 45,927 |
| History by Picture - B | 0 | - | 4.40 | 49,117 |
| History by Picture - C | 0 | - | 4.36 | 54,624 |
| History by Picture - F | 0 | - | 4.35 | 37,996 |
| History by Picture - G | 0 | - | 4.40 | 42,243 |
| History by Picture - D | 0 | - | 4.29 | 44,436 |
| History by Picture - E | 0 | - | 4.25 | 44,051 |
| History by Picture - H | 0 | - | 4.37 | 36,891 |
| History by Picture - K | 0 | - | 4.35 | 33,449 |
| History by Picture - M | 0 | - | 4.17 | 36,234 |
| History by Picture - N | 0 | - | 4.40 | 41,355 |
| History by Picture - O | 0 | - | 4.39 | 36,394 |
| History by Picture - T | 0 | - | 4.20 | 33,393 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,404 |
| Multiple Choice General Knowledge #6 | 0 | - | 4.54 | 29,926 |
| SAT Vocabulary Words Starting With A | 0 | - | 4.43 | 22,790 |
| SAT Vocabulary Words Starting With D | 0 | - | 4.55 | 20,222 |
| SAT Vocabulary Words Starting With C | 0 | - | 4.51 | 19,359 |
| SAT Vocabulary Words Starting With E | 0 | - | 4.53 | 20,160 |
| History True or False #1 | 0 | - | 4.53 | 103,275 |
| History True or False #2 | 0 | - | 4.41 | 67,520 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,603 |
| Has Anyone Ever Done It #3 | 0 | - | 4.56 | 51,330 |
| Has Anyone Ever Done It #2 | 0 | - | 4.46 | 47,201 |
| Science True or False | 0 | - | 4.35 | 40,369 |
| Geography True or False #5 | 0 | - | 4.36 | 57,928 |
| Does it Exist? | 0 | - | 4.54 | 61,492 |
| Band... or Gang? | 0 | - | 4.34 | 54,511 |
| History Multiple Choice #4 | 0 | - | 4.35 | 50,270 |
| Multiple Choice General Knowledge #5 | 0 | - | 4.55 | 42,866 |
| Multiple Choice General Knowledge #7 | 0 | - | 4.42 | 41,522 |
| Three Real and One Fake - Movies | 0 | - | 4.41 | 24,897 |
| History True or False #4 | 0 | - | 4.48 | 33,487 |
| History Multiple Choice #6 | 0 | - | 4.46 | 18,141 |
| SAT Vocabulary Words Starting With G | 0 | - | 4.52 | 15,634 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 16,166 |
| Multiple Choice Geography #4 | 0 | - | 4.64 | 19,415 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,097 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,823 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,428,316 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,462 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,530 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,232 |
| Foods by Picture | 0 | - | 3.81 | 226,264 |
| Flowers by Picture | 0 | - | 4.46 | 105,728 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,480 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,830 |
| Christmas by Picture | 0 | - | 4.26 | 28,200 |
| Hats by Picture | 0 | - | 4.21 | 17,987 |
