| Former Countries by Territory Map | 0 | - | 4.96 | 101,655 |
| Empires by Maps | 0 | - | 4.98 | 118,636 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,007 |
| Name that Object #1 | 0 | - | 3.56 | 96,318 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,872 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,073 |
| All Country Flags of the World | 0 | - | 5.00 | 3,606,150 |
| Years in History by Picture | 0 | - | 4.44 | 35,131 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,274 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,093 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,753 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,913 |
| Old Movies by Picture | 0 | - | 4.51 | 24,830 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,704 |
| Name that Object #2 | 0 | - | 3.64 | 15,335 |
| Name that Object #3 | 0 | - | 3.93 | 14,311 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,859 |
| Flags with Crescents | 0 | - | 4.98 | 167,677 |
| Country Flag Trivia | 0 | - | 4.81 | 55,991 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,504 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,526 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,999 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,512 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,430 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,090 |
| Random Logos Quiz | 0 | - | 4.32 | 207,112 |
| National Football Team Logos | 0 | - | 4.84 | 178,802 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,144 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,737 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,639 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,326 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,537 |
| Fruits by Picture | 0 | - | 4.20 | 804,821 |
| Geography by Picture - B | 0 | - | 4.42 | 55,428 |
| Geography by Picture - H | 0 | - | 4.49 | 58,061 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,691 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,409 |
| Flags to Languages | 0 | - | 4.95 | 172,578 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,294 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,938 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,348 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,823 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,311 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,122 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,599 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,937 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,193 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,335 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,878 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,629 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,496 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,161 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,640 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,531 |
| Name that Bug | 0 | - | 4.12 | 45,457 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,193 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,641 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,430 |
| Elements by Picture | 0 | - | 4.28 | 69,577 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,171 |
| Islands by Picture | 0 | - | 4.29 | 105,970 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,063 |
| Geography by Picture - A | 0 | - | 4.39 | 60,063 |
| Geography by Picture - D | 0 | - | 4.15 | 45,509 |
| Geography by Picture - F | 0 | - | 4.31 | 50,840 |
| Geography by Picture - G | 0 | - | 4.38 | 47,800 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,921 |
| Geography by Picture - L | 0 | - | 4.37 | 58,775 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Geography by Picture - S | 0 | - | 4.38 | 46,923 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,764 |
| Movie Logos | 0 | - | 4.33 | 236,068 |
| History by Picture - A | 0 | - | 4.25 | 45,478 |
| History by Picture - B | 0 | - | 4.40 | 48,604 |
| History by Picture - C | 0 | - | 4.36 | 54,105 |
| History by Picture - F | 0 | - | 4.35 | 37,603 |
| History by Picture - G | 0 | - | 4.40 | 41,869 |
| History by Picture - D | 0 | - | 4.29 | 44,026 |
| History by Picture - E | 0 | - | 4.27 | 43,645 |
| History by Picture - H | 0 | - | 4.37 | 36,557 |
| History by Picture - K | 0 | - | 4.35 | 33,122 |
| History by Picture - M | 0 | - | 4.17 | 35,930 |
| History by Picture - N | 0 | - | 4.40 | 41,016 |
| History by Picture - O | 0 | - | 4.39 | 36,061 |
| History by Picture - T | 0 | - | 4.20 | 33,109 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,332 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,019 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,948 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,273 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,944 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,160 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,888 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,787 |
| International Footballers by Picture | 0 | - | 4.50 | 54,818 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,787 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,693 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,324 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,512 |
| Flag Maths | 0 | - | 4.78 | 57,682 |
| Satellite Images #1 | 0 | - | 4.46 | 129,043 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,011 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,669 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,670 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,819 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,496 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,405 |
| Soccer Team Logos | 0 | - | 4.26 | 371,079 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,513 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,416 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,825 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,250 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,332 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,888 |
| Foods by Picture | 0 | - | 3.81 | 225,520 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,037 |
| Christmas by Picture | 0 | - | 4.25 | 28,106 |
| Hats by Picture | 0 | - | 4.21 | 17,907 |
| Weapons by Picture | 0 | - | 4.13 | 20,893 |
| Cars by Picture | 0 | - | 3.89 | 41,113 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,234 |
| Plants by Picture | 0 | - | 4.24 | 14,339 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,766 |
| Women in History by Picture | 0 | - | 4.25 | 25,771 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,663 |
| Geography by Picture - E | 0 | - | 3.55 | 47,286 |
| Landforms by Picture | 0 | - | 4.31 | 20,579 |
| Geography by Picture - I | 0 | - | 4.00 | 39,326 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,536 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,296 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,009 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,529 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,291 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,795 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,007 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,851 |
| History by Picture - I | 0 | - | 4.26 | 26,030 |
| History by Picture - J | 0 | - | 4.18 | 26,542 |
| History by Picture - L | 0 | - | 4.18 | 30,577 |
| History by Picture - P | 0 | - | 4.08 | 25,116 |
| History by Picture - Q | 0 | - | 4.03 | 21,930 |
| History by Picture - R | 0 | - | 4.13 | 26,654 |
| History by Picture - S | 0 | - | 4.14 | 27,602 |
| History by Picture - U | 0 | - | 4.24 | 24,952 |
| History by Picture - V | 0 | - | 4.30 | 24,923 |
| History by Picture - W | 0 | - | 4.01 | 21,503 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,509 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,712 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,005 |
| Flowers by Picture | 0 | - | 4.46 | 105,027 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Authors by Picture | 0 | - | 4.48 | 25,402 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,526 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,180 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,235 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,414 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,450 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,116 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,950 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,792 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,918 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,159 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,903 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,479 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,049 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,149 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,940 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,275 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,020 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,976 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,643 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,941 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,742 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,096 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,470 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,243 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,380 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,106 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,372 |
| Emoji Flags | 0 | - | 4.35 | 43,828 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,210 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,256 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,777 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,131 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,102 |
| Airline Logos | 0 | - | 4.45 | 140,001 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,535 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,049 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,897 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,773 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,737 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,244 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,057 |
| Vegetables by Picture | 0 | - | 4.39 | 62,894 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,878 |
