| Former Countries by Territory Map | 0 | - | 4.96 | 102,413 |
| Empires by Maps | 0 | - | 4.98 | 119,778 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,163 |
| Name that Object #1 | 0 | - | 3.57 | 96,450 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,750 |
| Play-Doh People from History | 0 | - | 4.99 | 94,482 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,370 |
| All Country Flags of the World | 0 | - | 5.00 | 3,640,886 |
| Years in History by Picture | 0 | - | 4.44 | 35,399 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,669 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,206 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,918 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,117 |
| Old Movies by Picture | 0 | - | 4.51 | 25,023 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,906 |
| Name that Object #2 | 0 | - | 3.64 | 15,414 |
| Name that Object #3 | 0 | - | 3.93 | 14,370 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,282 |
| Flags with Crescents | 0 | - | 4.98 | 168,826 |
| Country Flag Trivia | 0 | - | 4.81 | 56,651 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,258 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,118 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,857 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,005 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,901 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,530 |
| Random Logos Quiz | 0 | - | 4.31 | 207,952 |
| National Football Team Logos | 0 | - | 4.85 | 179,797 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,321 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,939 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,843 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,504 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,713 |
| Fruits by Picture | 0 | - | 4.19 | 806,345 |
| Geography by Picture - B | 0 | - | 4.42 | 55,535 |
| Geography by Picture - H | 0 | - | 4.50 | 58,160 |
| Geography by Picture - N | 0 | - | 4.45 | 42,148 |
| Geography by Picture - R | 0 | - | 4.56 | 40,965 |
| Geography by Picture - T | 0 | - | 4.54 | 57,780 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,518 |
| Flags to Languages | 0 | - | 4.95 | 173,240 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,418 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,075 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,485 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,959 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,404 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,234 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,712 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,060 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,327 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,447 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,984 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,738 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,620 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,321 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,855 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,725 |
| Name that Bug | 0 | - | 4.12 | 45,518 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,285 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,835 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,580 |
| Elements by Picture | 0 | - | 4.27 | 69,792 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,259 |
| Islands by Picture | 0 | - | 4.29 | 106,587 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,198 |
| Geography by Picture - A | 0 | - | 4.39 | 60,172 |
| Geography by Picture - D | 0 | - | 4.15 | 45,592 |
| Geography by Picture - F | 0 | - | 4.31 | 50,928 |
| Geography by Picture - G | 0 | - | 4.38 | 47,897 |
| Geography by Picture - J | 0 | - | 4.16 | 38,411 |
| Geography by Picture - K | 0 | - | 4.29 | 33,082 |
| Geography by Picture - C | 0 | - | 4.31 | 57,012 |
| Geography by Picture - L | 0 | - | 4.37 | 58,879 |
| Geography by Picture - M | 0 | - | 4.14 | 40,408 |
| Geography by Picture - P | 0 | - | 4.24 | 42,383 |
| Geography by Picture - S | 0 | - | 4.38 | 46,995 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,537 |
| Movie Logos | 0 | - | 4.33 | 237,575 |
| History by Picture - A | 0 | - | 4.25 | 45,703 |
| History by Picture - B | 0 | - | 4.40 | 48,857 |
| History by Picture - C | 0 | - | 4.36 | 54,375 |
| History by Picture - F | 0 | - | 4.35 | 37,804 |
| History by Picture - G | 0 | - | 4.40 | 42,069 |
| History by Picture - D | 0 | - | 4.29 | 44,233 |
| History by Picture - E | 0 | - | 4.27 | 43,842 |
| History by Picture - H | 0 | - | 4.37 | 36,730 |
| History by Picture - K | 0 | - | 4.35 | 33,296 |
| History by Picture - M | 0 | - | 4.17 | 36,091 |
| History by Picture - N | 0 | - | 4.40 | 41,186 |
| History by Picture - O | 0 | - | 4.39 | 36,247 |
| History by Picture - T | 0 | - | 4.20 | 33,257 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,781 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,288 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,508 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,493 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,126 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,569 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,211 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,924 |
| International Footballers by Picture | 0 | - | 4.50 | 55,290 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,953 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,328 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,653 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,727 |
| Flag Maths | 0 | - | 4.64 | 57,733 |
| Satellite Images #1 | 0 | - | 4.46 | 129,248 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,203 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,827 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,830 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,912 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,811 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,763 |
| Soccer Team Logos | 0 | - | 4.26 | 373,219 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,901 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,028 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,421 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,954 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,134 |
| Foods by Picture | 0 | - | 3.81 | 225,879 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,239 |
| Christmas by Picture | 0 | - | 4.25 | 28,143 |
| Hats by Picture | 0 | - | 4.21 | 17,943 |
| Weapons by Picture | 0 | - | 4.13 | 21,008 |
| Cars by Picture | 0 | - | 3.89 | 41,359 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,278 |
| Plants by Picture | 0 | - | 4.24 | 14,407 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,404 |
| Women in History by Picture | 0 | - | 4.25 | 25,864 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,737 |
| Geography by Picture - E | 0 | - | 3.55 | 47,337 |
| Landforms by Picture | 0 | - | 4.31 | 20,636 |
| Geography by Picture - I | 0 | - | 4.00 | 39,378 |
| Geography by Picture - O | 0 | - | 4.01 | 28,101 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,177 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,419 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,139 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,634 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,386 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,903 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,098 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,940 |
| History by Picture - I | 0 | - | 4.26 | 26,160 |
| History by Picture - J | 0 | - | 4.18 | 26,681 |
| History by Picture - L | 0 | - | 4.18 | 30,719 |
| History by Picture - P | 0 | - | 4.08 | 25,250 |
| History by Picture - Q | 0 | - | 4.03 | 22,040 |
| History by Picture - R | 0 | - | 4.13 | 26,798 |
| History by Picture - S | 0 | - | 4.14 | 27,735 |
| History by Picture - U | 0 | - | 4.24 | 25,080 |
| History by Picture - V | 0 | - | 4.30 | 25,048 |
| History by Picture - W | 0 | - | 4.01 | 21,602 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,864 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,080 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,581 |
| Flowers by Picture | 0 | - | 4.46 | 105,538 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,661 |
| Authors by Picture | 0 | - | 4.48 | 25,494 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,988 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,540 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,579 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,763 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,728 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,379 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,262 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,005 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,060 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,461 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,112 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,004 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,279 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,317 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,086 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,542 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,255 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,226 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,047 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,073 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,869 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,784 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,040 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,230 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,042 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,620 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,762 |
| Emoji Flags | 0 | - | 4.35 | 43,980 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,735 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,716 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,348 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,187 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,495 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,760 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,952 |
| Airline Logos | 0 | - | 4.45 | 140,431 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,415,329 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,874 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,585 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,309 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,748 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,263 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,833 |
