| Former Countries by Territory Map | 0 | - | 4.96 | 103,856 |
| Empires by Maps | 0 | - | 4.98 | 122,022 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,367 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,521 |
| Name that Object #1 | 0 | - | 3.57 | 96,629 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,316 |
| Play-Doh People from History | 0 | - | 4.99 | 95,531 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,094 |
| All Country Flags of the World | 0 | - | 5.00 | 3,711,939 |
| Years in History by Picture | 0 | - | 4.45 | 35,785 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,414 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,703 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,055 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,346 |
| Old Movies by Picture | 0 | - | 4.51 | 25,262 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,298 |
| Name that Object #2 | 0 | - | 3.63 | 15,524 |
| Name that Object #3 | 0 | - | 3.93 | 14,464 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,932 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,059 |
| Flags with Crescents | 0 | - | 4.98 | 171,291 |
| Country Flag Trivia | 0 | - | 4.81 | 57,992 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,862 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,403 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,564 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,924 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,955 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,464 |
| Random Logos Quiz | 0 | - | 4.33 | 209,603 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,971 |
| National Football Team Logos | 0 | - | 4.85 | 181,826 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,638 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,267 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,253 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,803 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,007 |
| Fruits by Picture | 0 | - | 4.19 | 809,228 |
| Geography by Picture - B | 0 | - | 4.42 | 55,778 |
| Geography by Picture - H | 0 | - | 4.50 | 58,375 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,142 |
| Geography by Picture - T | 0 | - | 4.54 | 57,994 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,377 |
| Flags to Languages | 0 | - | 4.95 | 174,489 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,654 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,386 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,761 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,263 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,596 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,449 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,922 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,293 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,571 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,655 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,205 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,930 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,858 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,012 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,493 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,007 |
| Name that Bug | 0 | - | 4.12 | 45,633 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,504 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,262 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,968 |
| Elements by Picture | 0 | - | 4.27 | 70,311 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,509 |
| Islands by Picture | 0 | - | 4.28 | 107,770 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,450 |
| Geography by Picture - A | 0 | - | 4.39 | 60,429 |
| Geography by Picture - D | 0 | - | 4.15 | 45,777 |
| Geography by Picture - F | 0 | - | 4.31 | 51,169 |
| Geography by Picture - G | 0 | - | 4.39 | 48,072 |
| Geography by Picture - J | 0 | - | 4.16 | 38,588 |
| Geography by Picture - K | 0 | - | 4.29 | 33,244 |
| Geography by Picture - C | 0 | - | 4.31 | 57,230 |
| Geography by Picture - L | 0 | - | 4.37 | 59,130 |
| Geography by Picture - M | 0 | - | 4.14 | 40,574 |
| Geography by Picture - P | 0 | - | 4.24 | 42,557 |
| Geography by Picture - S | 0 | - | 4.38 | 47,175 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,047 |
| Movie Logos | 0 | - | 4.33 | 240,365 |
| History by Picture - A | 0 | - | 4.26 | 46,130 |
| History by Picture - B | 0 | - | 4.40 | 49,327 |
| History by Picture - C | 0 | - | 4.33 | 54,857 |
| History by Picture - F | 0 | - | 4.35 | 38,174 |
| History by Picture - G | 0 | - | 4.40 | 42,418 |
| History by Picture - D | 0 | - | 4.29 | 44,634 |
| History by Picture - E | 0 | - | 4.25 | 44,216 |
| History by Picture - H | 0 | - | 4.37 | 37,065 |
| History by Picture - K | 0 | - | 4.35 | 33,594 |
| History by Picture - M | 0 | - | 4.17 | 36,378 |
| History by Picture - N | 0 | - | 4.40 | 41,515 |
| History by Picture - O | 0 | - | 4.39 | 36,539 |
| History by Picture - T | 0 | - | 4.20 | 33,525 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,041 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,008 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,477 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,435 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,858 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,206 |
| International Footballers by Picture | 0 | - | 4.51 | 56,411 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,070 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,611 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,216 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,019 |
| Flag Maths | 0 | - | 4.61 | 57,836 |
| Satellite Images #1 | 0 | - | 4.47 | 129,955 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,651 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,194 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,207 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,186 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,436 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,554 |
| Soccer Team Logos | 0 | - | 4.26 | 377,564 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,854 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,150 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,713 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,724 |
| Foods by Picture | 0 | - | 3.81 | 226,583 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,714 |
| Christmas by Picture | 0 | - | 4.26 | 28,228 |
| Hats by Picture | 0 | - | 4.21 | 18,018 |
| Weapons by Picture | 0 | - | 4.13 | 21,190 |
| Cars by Picture | 0 | - | 3.89 | 41,818 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,382 |
| Plants by Picture | 0 | - | 4.24 | 14,521 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,654 |
| Women in History by Picture | 0 | - | 4.25 | 26,023 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,848 |
| Geography by Picture - E | 0 | - | 3.55 | 47,485 |
| Landforms by Picture | 0 | - | 4.31 | 20,744 |
| Geography by Picture - I | 0 | - | 4.00 | 39,527 |
| Geography by Picture - O | 0 | - | 4.01 | 28,237 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,399 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,660 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,404 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,843 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,572 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,103 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,281 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,111 |
| History by Picture - I | 0 | - | 4.24 | 26,437 |
| History by Picture - J | 0 | - | 4.18 | 26,930 |
| History by Picture - L | 0 | - | 4.18 | 31,009 |
| History by Picture - P | 0 | - | 4.08 | 25,470 |
| History by Picture - Q | 0 | - | 4.03 | 22,251 |
| History by Picture - R | 0 | - | 4.13 | 27,044 |
| History by Picture - S | 0 | - | 4.14 | 27,975 |
| History by Picture - U | 0 | - | 4.25 | 25,317 |
| History by Picture - V | 0 | - | 4.31 | 25,306 |
| History by Picture - W | 0 | - | 4.01 | 21,808 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,803 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,850 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,759 |
| Flowers by Picture | 0 | - | 4.46 | 105,857 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,948 |
| Authors by Picture | 0 | - | 4.48 | 25,632 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,908 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,172 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,365 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,482 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,291 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,050 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,852 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,498 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,343 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,040 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,571 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,778 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,749 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,662 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,363 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,107 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,754 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,816 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,080 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,343 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,728 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,121 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,090 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,997 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,365 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,578 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,529 |
| Emoji Flags | 0 | - | 4.35 | 44,283 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,220 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,636 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,622 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,951 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,257 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,928 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,647 |
| Airline Logos | 0 | - | 4.45 | 141,416 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,437,988 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,485 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,925 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,517 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,284 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,643 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,182 |
