| Former Countries by Territory Map | 0 | - | 4.96 | 102,979 |
| Empires by Maps | 0 | - | 4.98 | 120,752 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,316 |
| Name that Object #1 | 0 | - | 3.57 | 96,519 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,563 |
| Play-Doh People from History | 0 | - | 4.99 | 94,932 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,685 |
| All Country Flags of the World | 0 | - | 5.00 | 3,673,171 |
| Years in History by Picture | 0 | - | 4.44 | 35,571 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,024 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,751 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,684 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,978 |
| Old Movies by Picture | 0 | - | 4.51 | 25,127 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,092 |
| Name that Object #2 | 0 | - | 3.64 | 15,463 |
| Name that Object #3 | 0 | - | 3.93 | 14,416 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,598 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,615 |
| Flags with Crescents | 0 | - | 4.98 | 169,876 |
| Country Flag Trivia | 0 | - | 4.81 | 57,203 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,977 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,680 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,621 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,396 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,359 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,949 |
| Random Logos Quiz | 0 | - | 4.31 | 208,646 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,252 |
| National Football Team Logos | 0 | - | 4.85 | 180,616 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,484 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,106 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,051 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,648 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,857 |
| Fruits by Picture | 0 | - | 4.19 | 807,678 |
| Geography by Picture - B | 0 | - | 4.42 | 55,649 |
| Geography by Picture - H | 0 | - | 4.50 | 58,265 |
| Geography by Picture - N | 0 | - | 4.45 | 42,232 |
| Geography by Picture - R | 0 | - | 4.56 | 41,056 |
| Geography by Picture - T | 0 | - | 4.54 | 57,882 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,350 |
| Flags to Languages | 0 | - | 4.95 | 173,808 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,533 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,225 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,616 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,102 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,504 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,352 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,815 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,171 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,432 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,543 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,101 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,825 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,739 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,629 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,894 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,021 |
| Name that Bug | 0 | - | 4.12 | 45,578 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,403 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,015 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,746 |
| Elements by Picture | 0 | - | 4.27 | 70,028 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,359 |
| Islands by Picture | 0 | - | 4.28 | 107,135 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,294 |
| Geography by Picture - A | 0 | - | 4.39 | 60,296 |
| Geography by Picture - D | 0 | - | 4.15 | 45,687 |
| Geography by Picture - F | 0 | - | 4.31 | 51,046 |
| Geography by Picture - G | 0 | - | 4.39 | 47,980 |
| Geography by Picture - J | 0 | - | 4.16 | 38,494 |
| Geography by Picture - K | 0 | - | 4.29 | 33,158 |
| Geography by Picture - C | 0 | - | 4.31 | 57,111 |
| Geography by Picture - L | 0 | - | 4.37 | 59,016 |
| Geography by Picture - M | 0 | - | 4.14 | 40,489 |
| Geography by Picture - P | 0 | - | 4.24 | 42,461 |
| Geography by Picture - S | 0 | - | 4.38 | 47,070 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,215 |
| Movie Logos | 0 | - | 4.33 | 238,841 |
| History by Picture - A | 0 | - | 4.26 | 45,886 |
| History by Picture - B | 0 | - | 4.40 | 49,066 |
| History by Picture - C | 0 | - | 4.36 | 54,574 |
| History by Picture - F | 0 | - | 4.35 | 37,960 |
| History by Picture - G | 0 | - | 4.40 | 42,212 |
| History by Picture - D | 0 | - | 4.29 | 44,387 |
| History by Picture - E | 0 | - | 4.25 | 44,008 |
| History by Picture - H | 0 | - | 4.37 | 36,857 |
| History by Picture - K | 0 | - | 4.35 | 33,418 |
| History by Picture - M | 0 | - | 4.17 | 36,200 |
| History by Picture - N | 0 | - | 4.40 | 41,329 |
| History by Picture - O | 0 | - | 4.39 | 36,375 |
| History by Picture - T | 0 | - | 4.20 | 33,366 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,238 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,376 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,726 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,291 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,929 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,508 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,063 |
| International Footballers by Picture | 0 | - | 4.50 | 55,770 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,847 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,850 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,895 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,762 |
| Flag Maths | 0 | - | 4.64 | 57,777 |
| Satellite Images #1 | 0 | - | 4.47 | 129,432 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,355 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,958 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,979 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,020 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,107 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,106 |
| Soccer Team Logos | 0 | - | 4.26 | 375,122 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,343 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,515 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,369 |
| Foods by Picture | 0 | - | 3.81 | 226,200 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,450 |
| Christmas by Picture | 0 | - | 4.26 | 28,194 |
| Hats by Picture | 0 | - | 4.21 | 17,974 |
| Weapons by Picture | 0 | - | 4.13 | 21,081 |
| Cars by Picture | 0 | - | 3.89 | 41,560 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,311 |
| Plants by Picture | 0 | - | 4.24 | 14,469 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,981 |
| Women in History by Picture | 0 | - | 4.25 | 25,940 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,797 |
| Geography by Picture - E | 0 | - | 3.55 | 47,407 |
| Landforms by Picture | 0 | - | 4.31 | 20,691 |
| Geography by Picture - I | 0 | - | 4.00 | 39,454 |
| Geography by Picture - O | 0 | - | 4.01 | 28,163 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,722 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,533 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,269 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,731 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,478 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,000 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,184 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,027 |
| History by Picture - I | 0 | - | 4.24 | 26,283 |
| History by Picture - J | 0 | - | 4.18 | 26,785 |
| History by Picture - L | 0 | - | 4.18 | 30,840 |
| History by Picture - P | 0 | - | 4.08 | 25,335 |
| History by Picture - Q | 0 | - | 4.03 | 22,128 |
| History by Picture - R | 0 | - | 4.13 | 26,897 |
| History by Picture - S | 0 | - | 4.14 | 27,833 |
| History by Picture - U | 0 | - | 4.24 | 25,186 |
| History by Picture - V | 0 | - | 4.30 | 25,162 |
| History by Picture - W | 0 | - | 4.01 | 21,678 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,409 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,469 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,137 |
| Flowers by Picture | 0 | - | 4.46 | 105,701 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,811 |
| Authors by Picture | 0 | - | 4.48 | 25,547 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 90,135 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,877 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,943 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,101 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,961 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,604 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,548 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,212 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,177 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,745 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,303 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,289 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,504 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,480 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,225 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,809 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,511 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,521 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,692 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,199 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,638 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,323 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,462 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,039 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,643 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,058 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,100 |
| Emoji Flags | 0 | - | 4.35 | 44,133 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,944 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,137 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,427 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,532 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,841 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,838 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,767 |
| Airline Logos | 0 | - | 4.45 | 140,887 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,426,087 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,618 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,241 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,993 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,798 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,121 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,702 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,312 |
