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