Here is the full list of all 65 Dum-Dum achievements.
The base game contains 63 achievements, and there is 1 DLC pack containing 2 achievements.
Reset a program to its factory settings
Win 10 games of Hogoball
Recover the three lost treasures of Cindy
Auto-run a BASIC program when the OS starts up
Win a bonus random level of Rock Runner
Dismantle and remove critical technology
Track a problem to its source
Remove a bad program from your computer
Repair a broken program
Combine two desktop programs
Transfer a large amount of data between operating systems
Gather information from an unusual source
Create a complex BASIC program
Gain access to secret plans
Help take over your own computer
Reduce the size of the Hogo Company
Get help from the past
Get a score of 0 in Hogoworm Dungeon
Play a game on the Hogo 270 Gaming Supersystem
Downgrade to an older operating system
Help Smellco sell a toy
Contact the Hogo Company's second-in-command
Use the best batteries 1985 money can buy
Make contact with the Hogo Company CEO
Read up on the issues of the day
Win a game of Hogoword Shuffle
Express disapproval to an enemy
Contact the author of a text book
Copy important files to the network
Win a game of Solitaire 1985
Lose 10 games of Coin Flip Pro
Go to another floor without using the stairs
Erase some computer code
Take manual control of a robot
Unlock a robotic system
Read one of the CEO's science journal excerpts
Complete a conversation with Hogo Rugnant
Successfully guide a human through a building
Send a series of commands to a remote device
Successfully use Code Buster on some bad code
Add a program icon to the desktop
Customize the background color
Complete all robot security criteria
Complete all human security criteria
Win a game of Turny Off
Shut down an electrical grid
Use an analog clock
Receive electro-mail
Download new software from the store
Hack your computer
Win a game of Tile Slider
Win a game of Tic Tac Toe
Complete Peg Jumper with four or fewer pieces
Win a game of Hogoword 1985
Win a game of Bomb Brusher
Create and play an animation
Create and play some music
Make a cat angry
Give the same answer in Dum-Dum 5 times in a row
Change the mouse cursor
Change the display resolution to its highest setting
Change the system font
Read to the end of the Update Log
Complete 16 Hogowiz Keep levels
Collect 88 Hogowiz Keep building blocks