| Former Countries by Territory Map | 0 | - | 4.96 | 103,800 |
| Empires by Maps | 0 | - | 4.98 | 121,947 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,312 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,506 |
| Name that Object #1 | 0 | - | 3.57 | 96,619 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,290 |
| Play-Doh People from History | 0 | - | 4.99 | 95,494 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,069 |
| All Country Flags of the World | 0 | - | 5.00 | 3,709,801 |
| Years in History by Picture | 0 | - | 4.45 | 35,773 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,395 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,281 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,857 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,213 |
| Old Movies by Picture | 0 | - | 4.51 | 25,254 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,291 |
| Name that Object #2 | 0 | - | 3.63 | 15,520 |
| Name that Object #3 | 0 | - | 3.93 | 14,458 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,916 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,029 |
| Flags with Crescents | 0 | - | 4.98 | 171,225 |
| Country Flag Trivia | 0 | - | 4.81 | 57,943 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,824 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,370 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,518 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,889 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,927 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,435 |
| Random Logos Quiz | 0 | - | 4.33 | 209,517 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,805 |
| National Football Team Logos | 0 | - | 4.85 | 181,751 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,632 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,262 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,246 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,795 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,996 |
| Fruits by Picture | 0 | - | 4.19 | 809,075 |
| Geography by Picture - B | 0 | - | 4.42 | 55,769 |
| Geography by Picture - H | 0 | - | 4.50 | 58,368 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,139 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,309 |
| Flags to Languages | 0 | - | 4.95 | 174,445 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,649 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,376 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,756 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,256 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,593 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,445 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,916 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,289 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,563 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,649 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,200 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,924 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,848 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,990 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,415 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,771 |
| Name that Bug | 0 | - | 4.12 | 45,628 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,500 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,251 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,963 |
| Elements by Picture | 0 | - | 4.27 | 70,300 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,505 |
| Islands by Picture | 0 | - | 4.28 | 107,720 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,445 |
| Geography by Picture - A | 0 | - | 4.39 | 60,421 |
| Geography by Picture - D | 0 | - | 4.15 | 45,773 |
| Geography by Picture - F | 0 | - | 4.31 | 51,163 |
| Geography by Picture - G | 0 | - | 4.39 | 48,070 |
| Geography by Picture - J | 0 | - | 4.16 | 38,585 |
| Geography by Picture - K | 0 | - | 4.29 | 33,239 |
| Geography by Picture - C | 0 | - | 4.31 | 57,222 |
| Geography by Picture - L | 0 | - | 4.37 | 59,127 |
| Geography by Picture - M | 0 | - | 4.14 | 40,571 |
| Geography by Picture - P | 0 | - | 4.24 | 42,555 |
| Geography by Picture - S | 0 | - | 4.38 | 47,174 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,978 |
| Movie Logos | 0 | - | 4.33 | 240,269 |
| History by Picture - A | 0 | - | 4.26 | 46,118 |
| History by Picture - B | 0 | - | 4.40 | 49,318 |
| History by Picture - C | 0 | - | 4.33 | 54,848 |
| History by Picture - F | 0 | - | 4.35 | 38,166 |
| History by Picture - G | 0 | - | 4.40 | 42,406 |
| History by Picture - D | 0 | - | 4.29 | 44,627 |
| History by Picture - E | 0 | - | 4.25 | 44,207 |
| History by Picture - H | 0 | - | 4.37 | 37,055 |
| History by Picture - K | 0 | - | 4.35 | 33,586 |
| History by Picture - M | 0 | - | 4.17 | 36,370 |
| History by Picture - N | 0 | - | 4.40 | 41,505 |
| History by Picture - O | 0 | - | 4.39 | 36,532 |
| History by Picture - T | 0 | - | 4.20 | 33,520 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,021 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,996 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,470 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,406 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,842 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,193 |
| International Footballers by Picture | 0 | - | 4.51 | 56,365 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,011 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,569 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,198 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,955 |
| Flag Maths | 0 | - | 4.61 | 57,827 |
| Satellite Images #1 | 0 | - | 4.47 | 129,942 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,633 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,188 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,200 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,182 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,411 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,528 |
| Soccer Team Logos | 0 | - | 4.26 | 377,418 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,764 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,118 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,643 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,703 |
| Foods by Picture | 0 | - | 3.81 | 226,534 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,665 |
| Christmas by Picture | 0 | - | 4.26 | 28,228 |
| Hats by Picture | 0 | - | 4.21 | 18,017 |
| Weapons by Picture | 0 | - | 4.13 | 21,178 |
| Cars by Picture | 0 | - | 3.89 | 41,806 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,377 |
| Plants by Picture | 0 | - | 4.24 | 14,521 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,623 |
| Women in History by Picture | 0 | - | 4.25 | 26,020 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,848 |
| Geography by Picture - E | 0 | - | 3.55 | 47,482 |
| Landforms by Picture | 0 | - | 4.31 | 20,742 |
| Geography by Picture - I | 0 | - | 4.00 | 39,525 |
| Geography by Picture - O | 0 | - | 4.01 | 28,235 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,361 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,655 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,397 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,835 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,567 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,097 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,278 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,106 |
| History by Picture - I | 0 | - | 4.24 | 26,432 |
| History by Picture - J | 0 | - | 4.18 | 26,925 |
| History by Picture - L | 0 | - | 4.18 | 30,999 |
| History by Picture - P | 0 | - | 4.08 | 25,463 |
| History by Picture - Q | 0 | - | 4.03 | 22,248 |
| History by Picture - R | 0 | - | 4.13 | 27,038 |
| History by Picture - S | 0 | - | 4.14 | 27,971 |
| History by Picture - U | 0 | - | 4.25 | 25,311 |
| History by Picture - V | 0 | - | 4.31 | 25,301 |
| History by Picture - W | 0 | - | 4.01 | 21,804 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,782 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,834 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,728 |
| Flowers by Picture | 0 | - | 4.46 | 105,847 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,942 |
| Authors by Picture | 0 | - | 4.48 | 25,627 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,865 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,147 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,338 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,462 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,278 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,042 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,843 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,485 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,332 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,028 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,554 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,760 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,738 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,652 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,356 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,091 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,743 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,806 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,058 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,341 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,666 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,079 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,048 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,954 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,329 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,546 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,506 |
| Emoji Flags | 0 | - | 4.35 | 44,269 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,207 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,614 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,618 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,937 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,233 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,922 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,600 |
| Airline Logos | 0 | - | 4.45 | 141,388 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,437,239 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,405 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,861 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,476 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,249 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,606 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,151 |
