| Former Countries by Territory Map | 0 | - | 4.96 | 104,083 |
| Empires by Maps | 0 | - | 4.98 | 122,359 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,527 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,574 |
| Name that Object #1 | 0 | - | 3.57 | 96,646 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,530 |
| Play-Doh People from History | 0 | - | 4.99 | 95,682 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,213 |
| All Country Flags of the World | 0 | - | 5.00 | 3,719,740 |
| Years in History by Picture | 0 | - | 4.45 | 35,897 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,499 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,380 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,942 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,738 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,833 |
| Old Movies by Picture | 0 | - | 4.51 | 25,285 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,330 |
| Name that Object #2 | 0 | - | 3.63 | 15,539 |
| Name that Object #3 | 0 | - | 3.93 | 14,475 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,995 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,136 |
| Flags with Crescents | 0 | - | 4.98 | 171,547 |
| Country Flag Trivia | 0 | - | 4.82 | 58,199 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,044 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,543 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,754 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,064 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,083 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,572 |
| Random Logos Quiz | 0 | - | 4.33 | 209,803 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,496 |
| National Football Team Logos | 0 | - | 4.85 | 182,080 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,673 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,300 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,289 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,829 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,034 |
| Fruits by Picture | 0 | - | 4.19 | 809,629 |
| Geography by Picture - B | 0 | - | 4.42 | 55,811 |
| Geography by Picture - H | 0 | - | 4.50 | 58,408 |
| Geography by Picture - N | 0 | - | 4.45 | 42,369 |
| Geography by Picture - R | 0 | - | 4.56 | 41,171 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,524 |
| Flags to Languages | 0 | - | 4.95 | 174,619 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,672 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,406 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,786 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,290 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,616 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,472 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,952 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,313 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,601 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,676 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,222 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,951 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,882 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,089 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,566 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,671 |
| Name that Bug | 0 | - | 4.12 | 45,652 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,537 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,300 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,998 |
| Elements by Picture | 0 | - | 4.27 | 70,351 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,530 |
| Islands by Picture | 0 | - | 4.28 | 107,888 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,473 |
| Geography by Picture - A | 0 | - | 4.39 | 60,459 |
| Geography by Picture - D | 0 | - | 4.15 | 45,807 |
| Geography by Picture - F | 0 | - | 4.31 | 51,210 |
| Geography by Picture - G | 0 | - | 4.39 | 48,102 |
| Geography by Picture - J | 0 | - | 4.16 | 38,620 |
| Geography by Picture - K | 0 | - | 4.29 | 33,270 |
| Geography by Picture - C | 0 | - | 4.31 | 57,258 |
| Geography by Picture - L | 0 | - | 4.37 | 59,155 |
| Geography by Picture - M | 0 | - | 4.14 | 40,599 |
| Geography by Picture - P | 0 | - | 4.24 | 42,586 |
| Geography by Picture - S | 0 | - | 4.38 | 47,196 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,178 |
| Movie Logos | 0 | - | 4.33 | 240,622 |
| History by Picture - A | 0 | - | 4.26 | 46,194 |
| History by Picture - B | 0 | - | 4.40 | 49,391 |
| History by Picture - C | 0 | - | 4.33 | 54,927 |
| History by Picture - F | 0 | - | 4.35 | 38,232 |
| History by Picture - G | 0 | - | 4.40 | 42,475 |
| History by Picture - D | 0 | - | 4.29 | 44,696 |
| History by Picture - E | 0 | - | 4.25 | 44,279 |
| History by Picture - H | 0 | - | 4.37 | 37,122 |
| History by Picture - K | 0 | - | 4.35 | 33,651 |
| History by Picture - M | 0 | - | 4.17 | 36,428 |
| History by Picture - N | 0 | - | 4.40 | 41,563 |
| History by Picture - O | 0 | - | 4.39 | 36,581 |
| History by Picture - T | 0 | - | 4.20 | 33,570 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,132 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,042 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,512 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,502 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,928 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,232 |
| International Footballers by Picture | 0 | - | 4.51 | 56,517 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,999 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,369 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,602 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,254 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Satellite Images #1 | 0 | - | 4.46 | 130,034 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,733 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,423 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,277 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,247 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,577 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,619 |
| Soccer Team Logos | 0 | - | 4.26 | 377,984 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,104 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,258 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,838 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,806 |
| Foods by Picture | 0 | - | 3.81 | 226,696 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,803 |
| Christmas by Picture | 0 | - | 4.26 | 28,237 |
| Hats by Picture | 0 | - | 4.21 | 18,024 |
| Weapons by Picture | 0 | - | 4.13 | 21,211 |
| Cars by Picture | 0 | - | 3.89 | 41,840 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,392 |
| Plants by Picture | 0 | - | 4.24 | 14,527 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,755 |
| Women in History by Picture | 0 | - | 4.25 | 26,050 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,872 |
| Geography by Picture - E | 0 | - | 3.54 | 47,505 |
| Landforms by Picture | 0 | - | 4.31 | 20,761 |
| Geography by Picture - I | 0 | - | 4.00 | 39,546 |
| Geography by Picture - O | 0 | - | 4.01 | 28,260 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,562 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,681 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,425 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,865 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,587 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,124 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,301 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,130 |
| History by Picture - I | 0 | - | 4.24 | 26,480 |
| History by Picture - J | 0 | - | 4.18 | 26,975 |
| History by Picture - L | 0 | - | 4.18 | 31,049 |
| History by Picture - P | 0 | - | 4.08 | 25,512 |
| History by Picture - Q | 0 | - | 4.03 | 22,281 |
| History by Picture - R | 0 | - | 4.13 | 27,081 |
| History by Picture - S | 0 | - | 4.14 | 28,009 |
| History by Picture - U | 0 | - | 4.25 | 25,354 |
| History by Picture - V | 0 | - | 4.31 | 25,339 |
| History by Picture - W | 0 | - | 4.01 | 21,837 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,873 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,915 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,860 |
| Flowers by Picture | 0 | - | 4.46 | 105,884 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,967 |
| Authors by Picture | 0 | - | 4.48 | 25,642 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,027 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,201 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,438 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,553 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,350 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,093 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,917 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,530 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,367 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,089 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,589 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,835 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,798 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,704 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,391 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,162 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,805 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,871 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,146 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,367 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 247,092 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,957 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,787 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,172 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,483 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,691 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,620 |
| Emoji Flags | 0 | - | 4.35 | 44,308 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,260 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,738 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,680 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,037 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,326 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,945 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,309 |
| Airline Logos | 0 | - | 4.45 | 141,503 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,440,017 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,632 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,046 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,608 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,377 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,724 |
