One application. Your C64 collection.
Mean Hamster
Power Engine for C64
Give your C64 a generational level Upgrade and play games never released!
With Prism+, included in the Hamster Power Engine Custom Firmware the C64 gets a high resolution (320x200) - full color experience through a compatible cartridge.
We provide an optional HamsterOS_C64 GUI experience and an organized home for your shiny new games, emulators, and apps. More features and games will be supported over time. The tool can prepare your SD card, and build your converted collection in one application.
Free · v2.0.25 · Available exclusively from Mean Hamster
Adds CannonBall / OutRun for Teensy and Tritari Atari 2600, 5200 and 7800 emulation for both cartridges. Includes HamsterOS 1.4.7, KFF2 H26 and updated M.U.L.E.+.
Bring your original game files and compatible ROMs. Commercial games are not included.
See the Power Engine in Action on a real C64!
Doom
NESVM
Game Boy
Game Gear
Monkey Island
Space Quest III
From your PC to your C64
Set it up.
Make it yours.
The Game Packer is now part of Mean Hamster Power Engine for C64. Your firmware, supported runtimes, and game preparation belong together.
- 01
Choose your cartridge and card
Separate TeensyROM+ and KFF2 tabs remember your device settings and selected SD card.
- 02
Choose how you want to launch
On Teensy, choose HamsterOS GUI (Default) with firmware 1.4.7 to start in the desktop, or Stock + MPE Extension to use the stock menu and optional SD desktop. KFF2 uses H26, with HamsterOS optional.
- 03
Locate your original games
Use Locate Files once for each supported game. Your saved file locations remain available after closing or updating the app.
- 04
Build and prepare your SD card
Create the selected packages and copy the matching files, with firmware ready for its separate installation step.
Games, emulators & apps
The starting lineup
Choose your cartridge to explore its games and emulators. Prepare your favorites from the same application.
AGI Enhanced
14 original Sierra adventures
Game Boy
GBVM · compatible Game Boy and Game Boy Color ROMs
Game Gear
GGVM · compatible Game Gear ROMs
NESVM
Compatible NES ROMs
Tritari
Compatible Atari 2600, 5200 and 7800 ROMs
Doom
Your supported WAD files
Space Quest III
Supported original SCI edition
Leisure Suit Larry 2
Original DOS EGA edition
Police Quest II
Original English DOS EGA 1.002.011 edition
The Colonel's Bequest
Supported English DOS EGA edition
Loom
Supported DOS EGA edition
The Secret of Monkey Island
Supported original edition
The Legend of Kyrandia
Original English DOS floppy edition · experimental
Indiana Jones and the Fate of Atlantis
Original game files · optional SIDKick Pico speech · experimental
Another World
Supported original Amiga edition
Gauntlet
Original four-player English rev 14 arcade ROM ZIP
Double Dragon
Supported World arcade ROM ZIP with HD6309 sprite board
CannonBall / OutRun
Original OutRun revision B arcade ROM ZIP
Might and Magic IV: Clouds of Xeen
Supported World of Xeen files · updated combat, spells and original story scenes
M.U.L.E.+
Ready to install · optional original SID opening music
ZipZork
HamsterOS Z-machine player · bring your story files
HamWrite
Optional HamsterOS word processor and spell checker
Explore all 14 AGI Enhanced adventures
- The Black Cauldron
- Donald Duck's Playground
- Gold Rush!
- Mixed-Up Mother Goose
- King's Quest I
- King's Quest II
- King's Quest III
- King's Quest IV (AGI edition)
- Leisure Suit Larry
- Manhunter: New York
- Manhunter 2: San Francisco
- Police Quest
- Space Quest I
- Space Quest II
Original AGI editions only. The application checks the files you provide before building.
Next for TeensyROM+
Coming Soon
- Monkey Island 2
Availability requires the supported game edition, compatible firmware, and the matching device runtime. ROM compatibility varies; inclusion of an emulator does not mean every game for that console is supported.
Your desktop, your choice
HamsterOS is optional.
Choose Include HamsterOS desktop for a graphical home on your C64. Compatible games can also launch without it. The app keeps your firmware choice and desktop preference with each device.
Each device tab brings together its compatible firmware, apps, and features.
Built to grow
Keep your collection current.
New game support, runtime improvements, and desktop updates come through the same application. Your remembered game locations and separate device settings stay with you between application updates.
Firmware files are prepared for installation on the selected cartridge. Follow the device’s installation instructions to complete a firmware update.