The Tyvarian games are planned to be a trilogy. Currently, parts one and two have been created, and the final part will be added in due course.
All games follow the adventures of a futuristic cat thief called Tyvarian. The games are all a mixture of puzzle and adventure.
Part 1 can be found here,
Tyvarian: Rise of the Crystal Thief
and Part 2 is here,
Tyvarian 2: To the Victor the Spoils
Part 3 will hopefully be available in 2025.