Here is the full list of all 20 CyberCity: SEX Saga achievements.
Buy all guns
Buy all the clothes
Get through all the challenges of the race
Go through all the complexities of flying
Get through all the challenges of the arena
Kill 10 enemies
Kill 50 enemies
Kill 100 enemies
Get a wheelbarrow
Get a ship
Get your first companion
Get a second companion
To die the first time
Striptease dance
Earn 100$ on stripping
Earn 1000$ on stripping
Open 3 sex scenes
Open 6 sex scenes
Open 9 sex scenes
Open all sex scenes