Here is the full list of all 22 Lemuria: Lost in Space - there are VR Edition Demo achievements.
Hack a computer 10 times
Defeat 10 enemies
Hack a computer using the method of Brute force
Develop one skill to its maximum level
Develop four skills to its maximum levels
Complete the 22nd level of the robot
Use a magnetic card 10 times
Use a coolant 10 times
Use a baterry 10 times
Use an antirad 10 times
Use a fix kit
Finish your tasks on the Bridge
Find the devastator
Finish your tasks in the Medical space
Finish your tasks in the Weapon room
Finish the game on any level of difficulty
Extinguish a fire 10 times
Use the JetPack
Use a toxin neutralization agent 10 times
Overcome the power barrier and survive
Use an elevator 5 times
Find all PDA devices with information provided by the crew members