Here is the full list of all 33 Re.Surs achievements.
Remember how it all started
Defeat Criminal Boss
Survive the first encounter with the Sorcerer
Basil joins Detective's side
Find out that the Sorcerer is going to the Nexus Tower
Get back to Modern-City alive
Tell about the danger for Modern-City in Reception Hall
Get access to the service elevator in the Nexus Tower Labs
Reach the Main Laboratory
Meet with Helga Hoft
Don't get caught on surveillance cameras in Saxara-City
Meet the Unknown One for the first time
Enter the pyramid
Defeat Proto.Demon
Basil agreed to play a police bait
Defeat Bittersweetus
Get into the underground canals of Modern-City
Defeat Proto.MechSpider
Meet the Unknown One in the Re.Serv World
Detective is reunited with her companions
Get access to the secret laboratory of Nexus Tower
The Sorcerer is defeated. But the source of Re.Surs is now with him
Teleport to the Underworld
Defeat Proto.Master
Remember how it ended
"Do you like hurting demons..?"
"You can't die, it's only in your brain..."
"You are tough cookies..!"