Heavy Nova
A landmark action game for the Sega Genesis, Heavy Nova combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- Holocronet
- Released
- 1992
- Platform
- Mega Drive
- Genre
- Action
- Players
- 2P
- Rating
- 4.6 / 5 (659)
- Last updated
Heavy Nova Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Heavy Nova 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.
Heavy Nova Longplay & Gameplay Videos
Watch a full playthrough of Heavy Nova 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
"Heavy Nova" Mega Drive longplay 1992
Heavy Nova Cheat Codes
23 community-curated cheats for Heavy Nova. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite Health P1
FFF027:FFFFF026:00FF -
Infinite energy (player 1)
ATHA-AA3N -
Infinite power (player 1)
ATHA-AA4E -
Infinite energy (player 2 or computer in a 1-player game)
ATJT-AA60 -
Infinite power (player 2 or computer in a 1-player game)
ATJT-AA7R -
Limit player 2 (or computer in a 1 player game) to power level 6
AART-ANEA+AART-ANEG -
Limit player 2 (or computer in a 1-player game) power level 4
AART-AJEA+AART-AJEG -
Limit player 2 (or computer in a 1-player game) to power level 2
AART-AEEA+AART-AEEG -
Start computer at low energy level
VA1T-DJTJ+2E1T-DCJL -
Infinite time
B3AT-AA9R -
Run time down at 1/2x normal speed
AFAT-AAHJ+AFAT-AAHW -
Run time down at 2x normal speed
SFAT-BJZW
Show 11 more cheats Show fewer
-
Run time down at 3x normal speed
SFAT-BNZW -
Run time down at 4x normal speed
SFAT-BTZW -
Run time down at 8x normal speed
SFAT-BAZW -
Infinite continues
ATET-AA4W -
9 continues
BE0T-CACJ -
1 continue
AE0T-CACJ -
No continues
AA0T-CACJ -
Limit Player 2 (Or Computer In A 1-Player Game) To Power Level 6
AART-ANEA+AART-ANEG -
Untouchable
R0KT-A6VT -
Invulnerability (Walk Thru Enemies)
LWKT-AN26 -
Invincibility
FFCB7D:0010
External references
Frequently Asked Questions
When was Heavy Nova released?
Heavy Nova was released in 1992 for the Mega Drive.
Who developed Heavy Nova?
Heavy Nova was developed by Holocronet, available to play in your browser on RetroGameSpace.
How many players does Heavy Nova support?
Heavy Nova supports up to 2 players, ideal for couch co-op or competitive sessions on the Mega Drive.
What type of game is Heavy Nova?
Heavy Nova is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Heavy Nova for free?
Open this page and click "Play Now" — Heavy Nova runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Heavy Nova in the browser?
No. Heavy Nova streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Heavy Nova?
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 Heavy Nova 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 Heavy Nova this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Heavy Nova. 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.
