| Former Countries by Territory Map | 0 | - | 4.96 | 102,916 |
| Empires by Maps | 0 | - | 4.98 | 120,646 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,301 |
| Name that Object #1 | 0 | - | 3.57 | 96,514 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,459 |
| Play-Doh People from History | 0 | - | 4.99 | 94,885 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,662 |
| All Country Flags of the World | 0 | - | 5.00 | 3,669,741 |
| Years in History by Picture | 0 | - | 4.44 | 35,554 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,981 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,103 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,363 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,756 |
| Old Movies by Picture | 0 | - | 4.51 | 25,116 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,072 |
| Name that Object #2 | 0 | - | 3.64 | 15,457 |
| Name that Object #3 | 0 | - | 3.93 | 14,412 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,559 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,577 |
| Flags with Crescents | 0 | - | 4.98 | 169,753 |
| Country Flag Trivia | 0 | - | 4.81 | 57,136 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,900 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,614 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,546 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,347 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,300 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,892 |
| Random Logos Quiz | 0 | - | 4.31 | 208,567 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,978 |
| National Football Team Logos | 0 | - | 4.85 | 180,506 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,465 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,079 |
| Pictures by Letter - B | 0 | - | 4.31 | 44,027 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,625 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,843 |
| Fruits by Picture | 0 | - | 4.19 | 807,542 |
| Geography by Picture - B | 0 | - | 4.42 | 55,636 |
| Geography by Picture - H | 0 | - | 4.50 | 58,257 |
| Geography by Picture - N | 0 | - | 4.45 | 42,223 |
| Geography by Picture - R | 0 | - | 4.56 | 41,047 |
| Geography by Picture - T | 0 | - | 4.54 | 57,873 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,259 |
| Flags to Languages | 0 | - | 4.95 | 173,732 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,522 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,207 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,600 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,086 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,492 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,339 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,804 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,160 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,422 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,526 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,092 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,815 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,728 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,596 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,776 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,608 |
| Name that Bug | 0 | - | 4.12 | 45,573 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,387 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,998 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,730 |
| Elements by Picture | 0 | - | 4.27 | 69,995 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,344 |
| Islands by Picture | 0 | - | 4.28 | 107,077 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,288 |
| Geography by Picture - A | 0 | - | 4.39 | 60,289 |
| Geography by Picture - D | 0 | - | 4.15 | 45,679 |
| Geography by Picture - F | 0 | - | 4.31 | 51,034 |
| Geography by Picture - G | 0 | - | 4.38 | 47,972 |
| Geography by Picture - J | 0 | - | 4.16 | 38,489 |
| Geography by Picture - K | 0 | - | 4.29 | 33,152 |
| Geography by Picture - C | 0 | - | 4.31 | 57,102 |
| Geography by Picture - L | 0 | - | 4.37 | 58,999 |
| Geography by Picture - M | 0 | - | 4.14 | 40,485 |
| Geography by Picture - P | 0 | - | 4.24 | 42,453 |
| Geography by Picture - S | 0 | - | 4.38 | 47,064 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,131 |
| Movie Logos | 0 | - | 4.33 | 238,691 |
| History by Picture - A | 0 | - | 4.26 | 45,864 |
| History by Picture - B | 0 | - | 4.40 | 49,045 |
| History by Picture - C | 0 | - | 4.36 | 54,548 |
| History by Picture - F | 0 | - | 4.35 | 37,937 |
| History by Picture - G | 0 | - | 4.40 | 42,189 |
| History by Picture - D | 0 | - | 4.29 | 44,366 |
| History by Picture - E | 0 | - | 4.25 | 43,988 |
| History by Picture - H | 0 | - | 4.37 | 36,839 |
| History by Picture - K | 0 | - | 4.35 | 33,404 |
| History by Picture - M | 0 | - | 4.17 | 36,188 |
| History by Picture - N | 0 | - | 4.40 | 41,312 |
| History by Picture - O | 0 | - | 4.39 | 36,363 |
| History by Picture - T | 0 | - | 4.20 | 33,353 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,189 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,311 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,684 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,268 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,894 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,478 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,046 |
| International Footballers by Picture | 0 | - | 4.50 | 55,720 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,749 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,791 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,867 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,659 |
| Flag Maths | 0 | - | 4.64 | 57,769 |
| Satellite Images #1 | 0 | - | 4.47 | 129,413 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,338 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,947 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,959 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,009 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,071 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,062 |
| Soccer Team Logos | 0 | - | 4.26 | 374,869 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,198 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,447 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,342 |
| Foods by Picture | 0 | - | 3.81 | 226,167 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,419 |
| Christmas by Picture | 0 | - | 4.26 | 28,187 |
| Hats by Picture | 0 | - | 4.21 | 17,970 |
| Weapons by Picture | 0 | - | 4.13 | 21,075 |
| Cars by Picture | 0 | - | 3.89 | 41,545 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,304 |
| Plants by Picture | 0 | - | 4.24 | 14,462 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,915 |
| Women in History by Picture | 0 | - | 4.25 | 25,936 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,792 |
| Geography by Picture - E | 0 | - | 3.55 | 47,403 |
| Landforms by Picture | 0 | - | 4.31 | 20,687 |
| Geography by Picture - I | 0 | - | 4.00 | 39,449 |
| Geography by Picture - O | 0 | - | 4.01 | 28,155 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,660 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,522 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,251 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,722 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,470 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,993 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,174 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,016 |
| History by Picture - I | 0 | - | 4.24 | 26,267 |
| History by Picture - J | 0 | - | 4.18 | 26,772 |
| History by Picture - L | 0 | - | 4.18 | 30,828 |
| History by Picture - P | 0 | - | 4.08 | 25,328 |
| History by Picture - Q | 0 | - | 4.03 | 22,119 |
| History by Picture - R | 0 | - | 4.13 | 26,890 |
| History by Picture - S | 0 | - | 4.14 | 27,824 |
| History by Picture - U | 0 | - | 4.24 | 25,174 |
| History by Picture - V | 0 | - | 4.30 | 25,155 |
| History by Picture - W | 0 | - | 4.01 | 21,673 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,371 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,423 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,040 |
| Flowers by Picture | 0 | - | 4.46 | 105,680 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,798 |
| Authors by Picture | 0 | - | 4.48 | 25,544 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,976 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,842 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,895 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,058 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,925 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,580 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,503 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,179 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,161 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,709 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,279 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,245 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,472 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,463 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,211 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,780 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,485 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,492 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,646 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,190 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,549 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,263 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,404 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,957 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,569 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,002 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,063 |
| Emoji Flags | 0 | - | 4.35 | 44,121 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,909 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,088 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,419 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,492 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,811 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,827 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,685 |
| Airline Logos | 0 | - | 4.45 | 140,830 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,424,659 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,523 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,166 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,951 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,726 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,085 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,653 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,265 |
