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