| Former Countries by Territory Map | 0 | - | 4.96 | 103,525 |
| Empires by Maps | 0 | - | 4.98 | 121,548 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,080 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,459 |
| Name that Object #1 | 0 | - | 3.57 | 96,584 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,146 |
| Play-Doh People from History | 0 | - | 4.99 | 95,381 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,464 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,873 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,976 |
| All Country Flags of the World | 0 | - | 5.00 | 3,702,974 |
| Years in History by Picture | 0 | - | 4.44 | 35,718 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,311 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,000 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,914 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,239 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,804 |
| Old Movies by Picture | 0 | - | 4.51 | 25,226 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,263 |
| Name that Object #2 | 0 | - | 3.64 | 15,507 |
| Name that Object #3 | 0 | - | 3.93 | 14,450 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,845 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,932 |
| Flags with Crescents | 0 | - | 4.98 | 171,031 |
| Country Flag Trivia | 0 | - | 4.81 | 57,815 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,684 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,238 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,348 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,791 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,826 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,366 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,474 |
| Random Logos Quiz | 0 | - | 4.33 | 209,180 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,323 |
| National Football Team Logos | 0 | - | 4.85 | 181,464 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,604 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,239 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,212 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,766 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,966 |
| Fruits by Picture | 0 | - | 4.19 | 808,818 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,349 |
| Geography by Picture - N | 0 | - | 4.45 | 42,319 |
| Geography by Picture - R | 0 | - | 4.56 | 41,122 |
| Geography by Picture - T | 0 | - | 4.54 | 57,966 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,065 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,930 |
| Flags to Languages | 0 | - | 4.95 | 174,333 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,626 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,346 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,728 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,231 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,576 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,428 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,894 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,266 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,540 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,623 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,178 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,905 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,824 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,894 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,053 |
| Name that Bug | 0 | - | 4.12 | 45,615 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,477 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,213 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,932 |
| Elements by Picture | 0 | - | 4.27 | 70,251 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,479 |
| Islands by Picture | 0 | - | 4.28 | 107,612 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,425 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,478 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,765 |
| Geography by Picture - F | 0 | - | 4.31 | 51,142 |
| Geography by Picture - G | 0 | - | 4.39 | 48,057 |
| Geography by Picture - J | 0 | - | 4.16 | 38,570 |
| Geography by Picture - K | 0 | - | 4.29 | 33,227 |
| Geography by Picture - C | 0 | - | 4.31 | 57,204 |
| Geography by Picture - L | 0 | - | 4.37 | 59,101 |
| Geography by Picture - M | 0 | - | 4.14 | 40,557 |
| Geography by Picture - P | 0 | - | 4.24 | 42,537 |
| Geography by Picture - S | 0 | - | 4.38 | 47,155 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,788 |
| Movie Logos | 0 | - | 4.33 | 239,967 |
| History by Picture - A | 0 | - | 4.26 | 46,074 |
| History by Picture - B | 0 | - | 4.40 | 49,261 |
| History by Picture - C | 0 | - | 4.36 | 54,787 |
| History by Picture - F | 0 | - | 4.35 | 38,124 |
| History by Picture - G | 0 | - | 4.40 | 42,360 |
| History by Picture - D | 0 | - | 4.29 | 44,578 |
| History by Picture - E | 0 | - | 4.25 | 44,159 |
| History by Picture - H | 0 | - | 4.37 | 37,015 |
| History by Picture - K | 0 | - | 4.35 | 33,554 |
| History by Picture - M | 0 | - | 4.17 | 36,337 |
| History by Picture - N | 0 | - | 4.40 | 41,473 |
| History by Picture - O | 0 | - | 4.39 | 36,500 |
| History by Picture - T | 0 | - | 4.20 | 33,490 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,625 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,903 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,949 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,439 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,328 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,778 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,168 |
| International Footballers by Picture | 0 | - | 4.51 | 56,256 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,715 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,376 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,109 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,756 |
| Flag Maths | 0 | - | 4.61 | 57,821 |
| Satellite Images #1 | 0 | - | 4.47 | 129,839 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,579 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,138 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,155 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,151 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,359 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,471 |
| Soccer Team Logos | 0 | - | 4.26 | 376,937 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,463 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,996 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,587 |
| Foods by Picture | 0 | - | 3.81 | 226,461 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,611 |
| Christmas by Picture | 0 | - | 4.26 | 28,222 |
| Hats by Picture | 0 | - | 4.21 | 18,009 |
| Weapons by Picture | 0 | - | 4.13 | 21,151 |
| Cars by Picture | 0 | - | 3.89 | 41,751 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,363 |
| Plants by Picture | 0 | - | 4.24 | 14,514 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,524 |
| Women in History by Picture | 0 | - | 4.25 | 26,012 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,838 |
| Geography by Picture - E | 0 | - | 3.55 | 47,473 |
| Landforms by Picture | 0 | - | 4.31 | 20,737 |
| Geography by Picture - I | 0 | - | 4.00 | 39,516 |
| Geography by Picture - O | 0 | - | 4.01 | 28,224 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,266 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,631 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,370 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,814 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,549 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,082 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,260 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,091 |
| History by Picture - I | 0 | - | 4.24 | 26,400 |
| History by Picture - J | 0 | - | 4.18 | 26,895 |
| History by Picture - L | 0 | - | 4.18 | 30,959 |
| History by Picture - P | 0 | - | 4.08 | 25,438 |
| History by Picture - Q | 0 | - | 4.03 | 22,224 |
| History by Picture - R | 0 | - | 4.13 | 27,009 |
| History by Picture - S | 0 | - | 4.14 | 27,942 |
| History by Picture - U | 0 | - | 4.25 | 25,286 |
| History by Picture - V | 0 | - | 4.31 | 25,266 |
| History by Picture - W | 0 | - | 4.01 | 21,782 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,713 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,762 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,624 |
| Flowers by Picture | 0 | - | 4.46 | 105,824 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,926 |
| Authors by Picture | 0 | - | 4.48 | 25,616 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,741 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,098 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,260 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,418 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,231 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,994 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,781 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,442 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,292 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,974 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,493 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,707 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,690 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,622 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,332 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,045 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,709 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,758 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,989 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,320 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,392 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,859 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,892 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,794 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,202 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,469 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,447 |
| Emoji Flags | 0 | - | 4.35 | 44,254 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,170 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,517 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,580 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,857 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,170 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,914 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,451 |
| Airline Logos | 0 | - | 4.45 | 141,296 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,435,131 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,236 |
