| Former Countries by Territory Map | 0 | - | 4.96 | 102,600 |
| Empires by Maps | 0 | - | 4.98 | 120,060 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,208 |
| Name that Object #1 | 0 | - | 3.57 | 96,469 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,011 |
| Play-Doh People from History | 0 | - | 4.99 | 94,620 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,463 |
| All Country Flags of the World | 0 | - | 5.00 | 3,650,815 |
| Years in History by Picture | 0 | - | 4.44 | 35,453 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,779 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,967 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,806 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,703 |
| Old Movies by Picture | 0 | - | 4.51 | 25,058 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,959 |
| Name that Object #2 | 0 | - | 3.64 | 15,434 |
| Name that Object #3 | 0 | - | 3.93 | 14,388 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,383 |
| Flags with Crescents | 0 | - | 4.98 | 169,159 |
| Country Flag Trivia | 0 | - | 4.81 | 56,832 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,486 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,278 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,107 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,135 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,053 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,649 |
| Random Logos Quiz | 0 | - | 4.31 | 208,188 |
| National Football Team Logos | 0 | - | 4.85 | 180,030 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,369 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,989 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,913 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,548 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,752 |
| Fruits by Picture | 0 | - | 4.19 | 806,777 |
| Geography by Picture - B | 0 | - | 4.42 | 55,562 |
| Geography by Picture - H | 0 | - | 4.50 | 58,187 |
| Geography by Picture - N | 0 | - | 4.45 | 42,175 |
| Geography by Picture - R | 0 | - | 4.56 | 40,993 |
| Geography by Picture - T | 0 | - | 4.54 | 57,809 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,759 |
| Flags to Languages | 0 | - | 4.95 | 173,438 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,461 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,118 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,526 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,006 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,431 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,268 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,740 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,095 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,358 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,469 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,020 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,761 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,652 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,414 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,169 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,767 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,317 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,889 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,620 |
| Elements by Picture | 0 | - | 4.27 | 69,861 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,287 |
| Islands by Picture | 0 | - | 4.29 | 106,771 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,228 |
| Geography by Picture - A | 0 | - | 4.39 | 60,204 |
| Geography by Picture - D | 0 | - | 4.15 | 45,620 |
| Geography by Picture - F | 0 | - | 4.31 | 50,961 |
| Geography by Picture - G | 0 | - | 4.38 | 47,917 |
| Geography by Picture - J | 0 | - | 4.16 | 38,437 |
| Geography by Picture - K | 0 | - | 4.29 | 33,102 |
| Geography by Picture - C | 0 | - | 4.31 | 57,035 |
| Geography by Picture - L | 0 | - | 4.37 | 58,913 |
| Geography by Picture - M | 0 | - | 4.14 | 40,426 |
| Geography by Picture - P | 0 | - | 4.24 | 42,403 |
| Geography by Picture - S | 0 | - | 4.38 | 47,018 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,728 |
| Movie Logos | 0 | - | 4.33 | 237,985 |
| History by Picture - A | 0 | - | 4.26 | 45,762 |
| History by Picture - B | 0 | - | 4.40 | 48,908 |
| History by Picture - C | 0 | - | 4.36 | 54,438 |
| History by Picture - F | 0 | - | 4.35 | 37,855 |
| History by Picture - G | 0 | - | 4.40 | 42,113 |
| History by Picture - D | 0 | - | 4.29 | 44,288 |
| History by Picture - E | 0 | - | 4.27 | 43,899 |
| History by Picture - H | 0 | - | 4.37 | 36,770 |
| History by Picture - K | 0 | - | 4.35 | 33,332 |
| History by Picture - M | 0 | - | 4.17 | 36,127 |
| History by Picture - N | 0 | - | 4.40 | 41,234 |
| History by Picture - O | 0 | - | 4.39 | 36,292 |
| History by Picture - T | 0 | - | 4.20 | 33,294 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,909 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,380 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,649 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,564 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,180 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,692 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,295 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,958 |
| International Footballers by Picture | 0 | - | 4.50 | 55,441 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,222 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,489 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,729 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,051 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Satellite Images #1 | 0 | - | 4.47 | 129,305 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,248 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,869 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,872 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,945 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,906 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,876 |
| Soccer Team Logos | 0 | - | 4.26 | 373,793 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,644 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,414 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,607 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,115 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,193 |
| Foods by Picture | 0 | - | 3.81 | 225,976 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,295 |
| Christmas by Picture | 0 | - | 4.26 | 28,157 |
| Hats by Picture | 0 | - | 4.21 | 17,957 |
| Weapons by Picture | 0 | - | 4.13 | 21,033 |
| Cars by Picture | 0 | - | 3.89 | 41,437 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,287 |
| Plants by Picture | 0 | - | 4.24 | 14,425 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,607 |
| Women in History by Picture | 0 | - | 4.25 | 25,894 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,759 |
| Geography by Picture - E | 0 | - | 3.55 | 47,353 |
| Landforms by Picture | 0 | - | 4.31 | 20,658 |
| Geography by Picture - I | 0 | - | 4.00 | 39,399 |
| Geography by Picture - O | 0 | - | 4.01 | 28,117 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,354 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,461 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,178 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,662 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,415 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,931 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,122 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,966 |
| History by Picture - I | 0 | - | 4.26 | 26,205 |
| History by Picture - J | 0 | - | 4.18 | 26,710 |
| History by Picture - L | 0 | - | 4.18 | 30,762 |
| History by Picture - P | 0 | - | 4.08 | 25,277 |
| History by Picture - Q | 0 | - | 4.03 | 22,071 |
| History by Picture - R | 0 | - | 4.13 | 26,831 |
| History by Picture - S | 0 | - | 4.14 | 27,768 |
| History by Picture - U | 0 | - | 4.24 | 25,112 |
| History by Picture - V | 0 | - | 4.30 | 25,079 |
| History by Picture - W | 0 | - | 4.01 | 21,628 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,986 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,190 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,760 |
| Flowers by Picture | 0 | - | 4.46 | 105,598 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,709 |
| Authors by Picture | 0 | - | 4.48 | 25,518 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 84,817 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,630 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,685 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,851 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,784 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,462 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,343 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,060 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,093 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,541 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,177 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,092 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,340 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,372 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,129 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,619 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,310 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,299 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,169 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,109 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,096 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,962 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,175 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,457 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,221 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,749 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,870 |
| Emoji Flags | 0 | - | 4.35 | 44,023 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,787 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,843 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,366 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,291 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,605 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,786 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,247 |
| Airline Logos | 0 | - | 4.45 | 140,564 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,736 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,099 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,801 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,448 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,856 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,406 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,978 |
