| 41 | Top 15 Countries with Covid-19 Cases - 4 May |
| 41 | Top 15 Countries with Covid-19 Deaths - 26 November |
| 41 | Top 15 Countries with Covid-19 Cases - 21 October |
| 41 | Top 15 Countries with Covid-19 Cases - 14 December |
| 41 | Top 15 Countries with Covid-19 Cases - 14 July 2021 |
| 41 | Top 15 Countries with Covid-19 Cases - 15 Feb 2021 |
| 41 | Top 15 Countries with Covid-19 Deaths - 10 Apr 2021 |
| 41 | Top 15 Countries with Covid-19 Cases - 27 September |
| 41 | Five Highest Covid-19 Case Countries by Continent |
| 41 | All Dogs |
| 40 | Top 15 Countries with Covid-19 Cases - 29 September 2021 |
| 40 | Top 15 Countries with Covid-19 Deaths - 27 June |
| 40 | Best Countries Against Covid-19 for Population Over 60 |
| 40 | Top 15 Countries with Covid-19 Deaths - 3 September |
| 40 | European Countries With Decreasing COVID 19 Active Cases |
| 40 | Rare-Earth Elements - Sudden Death |
| 40 | Top 15 Countries with Covid-19 Deaths - 2 November |
| 39 | Country Subdivisions with Most COVID-19 Deaths 16/7/20 |
| 39 | Top 15 Countries with Covid-19 Deaths - 28 January 2021 |
| 39 | Best and Worst Countries at COVID-19 Response |
| 39 | Top 15 Countries with Covid-19 Cases - 17 December |
| 39 | Top 15 Countries with Covid-19 Deaths - 18 August 2021 |
| 39 | African countries with the Covid-19 highest vaccination rates |
| 39 | Top 15 Countries with Covid-19 Cases - 18 October |
| 39 | Singapore COVID-19 Quiz |
| 39 | Countries with over 1,000 Covid-19 deaths |
| 39 | Top 15 Countries with Covid-19 Deaths - 14 November |
| 39 | Top 15 Countries with Covid-19 Cases - 3 June 2021 |
| 38 | Top 15 Countries with Covid-19 Deaths - 31 January 2021 |
| 38 | Top 15 Countries with Covid-19 Cases - 18 September |
| 38 | Covid-19 deaths by city |
| 38 | Top 15 Countries with Covid-19 Cases - 26 November |
| 38 | Top 15 Countries with Covid-19 Cases - 2 November |
| 38 | Worst Countries Against Covid-19 for Population Over 60 |
| 38 | Top 15 Countries with Covid-19 Deaths - 17 December |
| 38 | Top 15 Countries with Covid-19 Cases - 25 Apr 2021 |
| 38 | Citric acid cycle. (Krebs cycle) |
| 38 | Insect Orders with Hints |
| 38 | Countries Hidden in Chemical Symbols |
| 38 | Top 15 Countries with Covid-19 Cases - 1 January 2021 |
| 38 | Top 15 Countries with Covid-19 Deaths - 18 May |
| 37 | Top 15 Countries with Covid-19 Cases - 15 September |
| 37 | Chemical Elements Essential for Humans |
| 37 | Top 15 Countries with Covid-19 Cases - 15 October |
| 37 | Countries with the most coronavirus cases in Europe |
| 37 | Top 10 Countries with Covid-19 Deaths - 26 April |
| 37 | Top 15 Countries with Covid-19 Deaths - 24 October |
| 37 | Top 15 Countries with Covid-19 Cases - 1 May 2021 |
| 37 | Countries most tested for COVID-19 |
| 37 | Helldivers 2 - Name a Planet in Each Sector |
| 37 | Top 15 Countries with Covid-19 Deaths - 28 August |
| 37 | Top 15 Countries with Covid-19 Deaths - 6 May |
| 37 | Top 15 Countries with Covid-19 Deaths - 10 May |
| 37 | Quark Flavors - Sudden Death |
| 37 | Top 15 Countries with Covid-19 Cases - 19 Apr 2021 |
| 37 | Top 15 Countries with Covid-19 Cases - 20 May |
| 37 | Elements of the Periodic Table - One Minute Sprint |
| 37 | Top 15 Countries with Covid-19 Cases - 10 May |
| 36 | Dwarf Planets by picture |
| 36 | Top 15 Countries with Covid-19 Cases - 9 September |
| 36 | Countries who produce the most gemstones |
| 36 | Top 15 Countries with Covid-19 Cases - 8 Mar 2021 |
| 36 | Anatomy of a Heart Beat |
| 36 | Solar System |
| 36 | Top 15 Countries with Covid-19 Deaths - 10 May 2021 |
| 36 | Top 15 Countries with Covid-19 Cases - 9 June 2021 |
| 36 | Top 15 Countries with Covid-19 Cases - 18 August 2021 |
| 36 | Top 15 Countries with Covid-19 Deaths - 6 October 2021 |
| 36 | Element Etymologies |
| 36 | Chemical Symbols that are also ISO Country Codes - Sudden Death |
| 36 | Top 15 Countries with Covid-19 Deaths - 9 October |
| 36 | Top 15 Countries with Covid-19 Deaths - 21 June |
| 36 | Top 15 Countries with Covid-19 Deaths - 15 June |
| 36 | Top 15 Countries with Covid-19 Cases - 14 May |
| 36 | Top 15 Countries with Covid-19 Deaths - 24 May |
| 36 | Countries Most Affected by COVID-19 |
| 36 | Top 15 Countries with Covid-19 Cases - 7 June |
| 36 | Top 15 Countries with Covid-19 Deaths - 1 June |
| 35 | Top 15 Countries with Covid-19 Deaths - 1 Apr 2021 |
| 35 | Top 15 Countries with Covid-19 Cases - 20 December |
| 35 | Top 15 Countries with Covid-19 Deaths - 31 May 2021 |
| 35 | Top 15 Countries with Covid-19 Deaths - 29 June |
| 35 | Top 15 Countries with Covid-19 Cases - 11 August 2021 |
| 35 | Top 15 Countries with Covid-19 Cases - 13 Apr 2021 |
| 35 | Top 15 Countries with Covid-19 Cases - 11 July |
| 35 | Top 15 Countries with Covid-19 Cases - 5 November |
| 35 | Quiz Moon Neptune |
| 35 | Top 15 Countries with Covid-19 Deaths - 14 Mar 2021 |
| 35 | Top 15 Countries with Covid-19 Cases - 9 Feb 2021 |
| 35 | Antarctic Glaicers Sudden Death |
| 35 | Orion- All 88 Constellations |
| 35 | Top 15 Countries with Covid-19 Cases - 13 June |
| 35 | Top 15 Countries with Covid-19 Cases - 2 May |
| 35 | Top 15 Countries with Covid-19 Cases - 31 January 2021 |
| 35 | Top 15 Countries with Covid-19 Cases - 21 September |
| 35 | The Amazon Rainforest |
| 35 | Every Research Station in Antarctica on a Map |
| 35 | Top 15 Countries with Covid-19 Cases - 2 July |
| 34 | Top 15 Countries with Covid-19 Deaths - 18 Feb 2021 |
| 34 | Top 15 Countries with Covid-19 Deaths - 8 December |
| 34 | Top 15 Countries with Covid-19 Cases - 15 June |
| 34 | Top 15 Countries with Covid-19 Cases - 17 Mar 2021 |
| 34 | Top 15 Countries with Covid-19 Deaths - 18 September |
| 34 | Elements with Missing Words |
| 34 | Top 15 Countries with Covid-19 Cases - 12 May |
| 34 | Top 10 Countries with Covid-19 Deaths - 22 April |
| 34 | Top 15 Countries with Covid-19 Cases - 7 August |
| 34 | Top 15 Countries with Covid-19 Cases - 6 September |
| 34 | Top 15 Countries with Covid-19 Cases - 1 June |
| 34 | Top 10 Countries with Covid-19 Cases - 9 April |
| 34 | Basic Molecules |
| 34 | Top 15 Countries with Covid-19 Cases - 4 August |
| 33 | Top 10 Countries with Covid-19 Deaths - 30 April |
| 33 | Top 15 Countries with Covid-19 Cases - 28 January 2021 |
| 33 | World Capitals Spelled Using Only Elements |
| 33 | Top 15 Countries with Covid-19 Cases - 7 May 2021 |
| 33 | States with the 20 Most Cases of the COVID-19 Coronavirus |
| 33 | Top 15 Countries with Covid-19 Deaths - 16 May |
| 33 | Top 15 Countries with Covid-19 Deaths - 11 August 2021 |
| 33 | Countries With the Highest COVID 19 Deaths on a Single Day |
| 33 | Top 15 Countries with Covid-19 Cases - 31 May 2021 |
| 33 | Top 15 Countries with Covid-19 Cases - 13 May 2021 |
| 33 | Top 15 Countries with Covid-19 Cases - 16 May |
| 33 | Top 15 Countries with Covid-19 Deaths - 1 January 2021 |
| 33 | Top 15 Countries with Covid-19 Deaths - 25 June |
| 33 | Top 15 Countries with Covid-19 Cases - 23 July |
| 33 | Top 15 Countries with Covid-19 Cases - 3 October |
| 33 | Top 15 Countries with Covid-19 Cases - 30 September |
| 33 | Top 15 Countries with Covid-19 Cases - 24 September |
| 33 | Top 15 Countries with Covid-19 Cases - 29 June |
| 32 | Top 15 Countries with Covid-19 Deaths - 22 May |
| 32 | Top 15 Countries with Covid-19 Deaths - 5 July |
| 32 | Top 15 Countries with Covid-19 Cases - 5 July |
| 32 | Top 15 Countries with Covid-19 Cases - 26 May |
| 32 | Stress and Anxiety |
| 32 | Elements by Year of Discovery |
| 32 | Top 15 Countries with Covid-19 Cases - 29 July |
| 32 | Top 15 Countries with Covid-19 Cases - 12 October |
| 32 | Top 10 Countries with Covid-19 Cases - 15 April |
| 32 | World Leaders Who Have Had COVID-19 |
| 32 | Coronavirus-Less Countries |
| 32 | Phase Changes |
| 32 | Top 15 Countries with Covid-19 Deaths - 21 September |
| 32 | Top 15 Countries with Covid-19 Deaths - 15 September |
| 32 | Top 15 Countries with Covid-19 Deaths - 2 May |
| 32 | Top 15 Countries with Covid-19 Deaths - 28 Apr 2021 |
| 32 | Top 15 Countries with Covid-19 Deaths - 23 December |
| 32 | Top 15 Countries with Covid-19 Cases - 23 June |
| 32 | Top 15 Countries with Covid-19 Cases - 13 August |
| 32 | Autism Awareness Month #1 |
| 32 | Top 15 Countries with Covid-19 Cases - 20 November |
| 32 | Top 15 Countries with Covid-19 Cases - 4 May 2021 |
| 32 | Top 15 Countries with Covid-19 Cases - 11 June |
| 32 | Top 15 Countries with Covid-19 Deaths - 2 December |
| 32 | Country Subdivisions with Most COVID-19 Deaths 16/6/20 |
| 32 | Top 15 Countries with Covid-19 Cases - 28 August |
| 31 | Top 15 Countries with Covid-19 Cases - 29 November |
| 31 | Units of Time |
| 31 | Top 15 Countries with Covid-19 Cases - 13 January 2021 |
| 31 | Top 15 Countries with Covid-19 Deaths - 10 August |
| 31 | Top 15 Countries with Covid-19 Deaths - 26 May |
| 31 | Top 15 Countries with Covid-19 Cases - 3 June |
| 31 | Coronavirus Quiz |
| 31 | Top 15 Countries with Covid-19 Deaths - 28 May 2021 |
| 31 | Top 15 Countries with Covid-19 Cases - 20 July |
| 31 | Country Subdivisions with Most COVID-19 Deaths 16/10/20 |
| 31 | Top 15 Countries with Covid-19 Deaths - 12 September |
| 31 | Countries with the Most Cases of the COVID-19 Coronavirus |
| 30 | Top 15 Countries with Covid-19 Cases - 12 September |
| 30 | Top 15 Countries with Covid-19 Cases - 24 October |
| 30 | Top 15 Countries with Covid-19 Deaths - 27 September |
| 30 | Top 15 Countries with Covid-19 Cases - 6 May |
| 30 | Elements - Backwards! |
| 30 | Planet Saturn |
| 30 | Top 15 Countries with Covid-19 Cases - 14 November |
| 30 | Top 15 Countries with Covid-19 Deaths - 2 July |
| 30 | Top 15 Countries with Covid-19 Deaths - 7 June |
| 30 | Top 15 Countries with Covid-19 Deaths - 12 June 2021 |
| 30 | Top 15 Countries with Covid-19 Cases - 28 July 2021 |
| 30 | Top 15 Countries with Covid-19 Deaths - 7 August |
| 30 | Countries With Most COVID-19 Cases |
| 30 | Top 15 Countries with Covid-19 Cases - 11 December |
| 30 | Countries with the Greatest Drop in Covid-19 Infections |
| 29 | Countries with the most coronavirus cases in Asia |
| 29 | Top 15 Countries with Covid-19 Deaths - 31 August |
| 29 | Countries Without Reported COVID-19 Cases |
| 29 | Top 15 Countries with Covid-19 Cases - 8 May |
| 29 | Top 15 Countries with Covid-19 Cases - 9 June |
| 29 | Top 15 Countries with Covid-19 Cases - 27 June |
| 29 | Top 15 Countries with Covid-19 Cases - 11 Mar 2021 |
| 29 | Top 15 Countries with Covid-19 Deaths - 17 November |
| 29 | Top 15 Countries with Covid-19 Cases - 8 November |
| 29 | US States with Most New Covid-19 Cases |
| 29 | Top 15 Countries with Covid-19 Cases - 30 May |
| 29 | Top 15 Countries with Covid-19 Cases - 6 June 2021 |
| 29 | Top 10 Countries that are Significant Producers of Natural Gemstones |
| 29 | Top 15 Countries with Covid-19 Cases - 26 July |
| 29 | Top 15 Countries with Covid-19 Cases - 6 October |
| 29 | Top 15 Countries with Covid-19 Deaths - 16 January 2021 |
| 28 | Anatomy of a PC |
