Announcement
Intro arrow + hogo bbs addition
Added a help arrow for new players starting the game, directing them to the ReadMe file on the desktop. Added a hogo/bbs knock knock joke generator.
Steam
Dum-Dum
Also known as Dum-Dum, dd, dum dum
Travel back to 1985 to discover more about the self-proclaimed “greatest operating system of all time." Navigate the weird quirks of Hogo OS 1985 Edition, solve puzzles, play mini-games, and unravel the story behind why this one-time cutting edge computer system was mysteriously lost to time.
Last update
31 May 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- October 2021
- Dum-Dum HalloweenThere's a new Dum-Dum activity for Halloween! See the in-game book "Hogonet Site List" to start it: Bard Gamly, professional ghost enthusiast, needs your help! He has been building a Hogonet site full of ghost-hunting t…
- September 2021
- Update notes for September 24, 2021Addressed an issue where the in-game serial number wasn't displaying a usable number.
- Minor fixesThere have been a few small updates after the game left Early Access. They have addressed issues that recently came up, notably: - Fixed an issue where Note Sheet didn't auto-save text that was copied from a text book i…
- Dum-Dum exiting Early Access!Dum-Dum is exiting Early Access! This has been a long road for me. The game was originally released in Steam's Early Access two years ago. Since then I've added a lot of new content: obvious things like stories and puzz…
- July 2020
- Earn "Doorlars" and Go ShoppingThere are now two new features that collectively provide a reward system for playing games. GAME BANK - A new program that comes pre-installed with Hogo OS 1985 Edition. It is initially broken and can be fixed by workin…
- May 2020
- New Mini-Quests & ProgramsThere are a number of new updates. Some of these were added between the last update & now, while others were in the beta branch & have now been moved to the main game. MINI-QUEST "The Merry Hackers Club" - Join a group…
- December 2019
- Cheesy MazeAdded a short new game to the in-game bulletin board: CHEESY MAZE - A simple game of navigating a 3D maze to locate a piece of cheese. When you are within range of the cheese, a detector shows how close it is but not wh…
- November 2019
- Two New LevelsContinuing to work on the new storyline, so this week's updates are again small. Two new Hogowiz Keep puzzle levels added. New building elements include bricks, plants, and flowers.
- New Storyline in DevelopmentMost of our focus right now is on developing a new storyline + associated Hogo OS programs. It will be awhile before it's all ready, so updates for the upcoming weeks will be relatively small. This week's update adds tw…
- Multiplayer TestA local multiplayer option is now available in Hogowiz Keep. Trying local multiplayer requires two instances of Dum-Dum running on the same network (only two players can play in multiplayer at the moment). This is the b…
- Hogowiz Keep New LevelUpdated Hogowiz Keep, the bonus game that you can install from the Hogo/BBS Hogonet site. There are now three stages to each game level: First, find a way to reach your cat familiar. Next, lead your cat familiar to your…
Gallery
In-game media
Achievements
Community progression
Top picks from 65 Steam achievements, sorted by player unlock rates.
- Clue DetectiveRead to the end of the Update Log93.8%
- The Definition Of InsanityGive the same answer in Dum-Dum 5 times in a row82.8%
- Why, Indeed?Change the system font79.1%
- Off-ColorCustomize the background color78.5%
- Making Your PointChange the mouse cursor75.0%
- Beanie Hat HackerHack your computer73.8%