Ultracore
A landmark action game for the Sega Genesis, Ultracore combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- Digital Illusions
- Platform
- Mega Drive
- Genre
- Action
- Players
- 1P
- Rating
- 4.9 / 5 (2.5K)
- Last updated
Ultracore Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Ultracore on our in-browser Mega Drive emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| S | C | Tertiary action |
| A | X | Quaternary action |
| Q | Y | Fifth button |
| W | Z | Sixth button |
| Enter | Start | Start / Pause |
These bindings cover the 6-button Mega Drive controller. Most older titles only use buttons A/B/C; the extra X/Y/Z buttons matter for Street Fighter II and other 6-button fighters.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Ultracore Longplay & Gameplay Videos
Watch a full playthrough of Ultracore on Mega Drive before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Ultracore" Mega Drive longplay
External references
Frequently Asked Questions
Who developed Ultracore?
Ultracore was developed by Digital Illusions, available to play in your browser on RetroGameSpace.
How many players does Ultracore support?
Ultracore is a single-player Action game for the Mega Drive.
What type of game is Ultracore?
Ultracore is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Ultracore for free?
Open this page and click "Play Now" — Ultracore runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Ultracore in the browser?
No. Ultracore streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Ultracore?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Mega Drive cartridge supported.
Does Ultracore work on mobile devices?
Yes — the Mega Drive emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Ultracore this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Ultracore. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
