Those images were done traditionally. Some of them were colored in Photoshop.

Inktober day 31: Rocket from Guardians of the Galax
Inktober day 31: Rocket from Guardians of the Galax Copyright: Daniel Steinborn
Inktober day 28: Drawing a savanna tree.
Inktober day 28: Drawing a savanna tree. Copyright: Daniel Steinborn
Inktober day 27: Ink drawing of a windswept tree.
Inktober day 27: Ink drawing of a windswept tree. Copyright: Daniel Steinborn
Inktober day 22: Cute little bunny.
Inktober day 22: Cute little bunny. Copyright: Daniel Steinborn
Inktober day 21: Ewoks from Star Wars.
Inktober day 21: Ewoks from Star Wars. Copyright: Daniel Steinborn
Inktober day 20: Prairie dog.
Inktober day 20: Prairie dog. Copyright: Daniel Steinborn
Inktober day 19: Squirrel monkey eating some fruit.
Inktober day 19: Squirrel monkey eating some fruit. Copyright: Daniel Steinborn
Inktober day 16: House by the sea during winter.
Inktober day 16: House by the sea during winter. Copyright: Daniel Steinborn
Inktober day 14: Dragon Hatchling.
Inktober day 14: Dragon Hatchling. Copyright: Daniel Steinborn
Inktober day 13: Lighthouse in a stormy sea.
Inktober day 13: Lighthouse in a stormy sea. Copyright: Daniel Steinborn
Comic character of the month Oktober and contribution to Inktober day 1: Groot.
Comic character of the month Oktober and contribution to Inktober day 1: Groot. Copyright: Daniel Steinborn
Sketch of a small hut sitting beside a tree on a high mountain.
Sketch of a small hut sitting beside a tree on a high mountain. Copyright: Daniel Steinborn
Comic character of the month September: The Hulk.
Comic character of the month September: The Hulk. Copyright: Daniel Steinborn
Sketch of a spiraling tree. Inspired by Alphonso Dunn: https://youtu.be/7wg8Dz5skrc
Sketch of a spiraling tree. Inspired by Alphonso Dunn: https://youtu.be/7wg8Dz5skrc Copyright: Daniel Steinborn
Winter landscape. Inspired by Alphonso Dunn: https://youtu.be/ZObk6z7ndZQ
Winter landscape. Inspired by Alphonso Dunn: https://youtu.be/ZObk6z7ndZQ Copyright: Daniel Steinborn
A drawing of a kiwi (Ink pens).
A drawing of a kiwi (Ink pens). Copyright: Daniel Steinborn
Illustration of a tree (Ink pens and Photoshop).
Illustration of a tree (Ink pens and Photoshop). Copyright: Daniel Steinborn
A small lake on a cloudy day (Ink pens).
A small lake on a cloudy day (Ink pens). Copyright: Daniel Steinborn
Sketch of a skeleton animal (Pentel brush pen, Copic Markers).
Sketch of a skeleton animal (Pentel brush pen, Copic Markers). Copyright: Daniel Steinborn
Sketch of a skeleton animal (Pentel brush pen, Copic Markers).
Sketch of a skeleton animal (Pentel brush pen, Copic Markers). Copyright: Daniel Steinborn
Sketch of a sleketon lion (Pentel brush pen).
Sketch of a sleketon lion (Pentel brush pen). Copyright: Daniel Steinborn