Here is the full list of all 23 Upload Simulator Silicon achievements.
Become omniscient
Upload all requests
Have over 1000 active robots
Complete a grid without getting a single void field
Have more battery recharge than battery capacity
Have 10 artifacts on the screen at the same time
Perform a T4 reboot
Expand all fields in a single grid
Perform a T3 reboot
Unlock all hacks
Perform a T2 reboot
Reach 0K temperature
Upgrade to a Data Entangloporter
Have an artifact hit the corner of the screen
Have over 1000 module score
Craft a grade S module
Eliminate 100 viruses
Reboot for the first time
Reconnect under 3 seconds after being disconnected
Avoid 5 disconnections in a row
Spend at least 5 hack points on a single hack
Have equals amount of images, musics, videos and games uploaded
Get a virus