Swamp Thing
A landmark action game for the Sega Genesis, Swamp Thing combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- Microsmiths, Inc.
- Released
- 1992
- Platform
- Mega Drive
- Genre
- Action
- Players
- 1P
- Rating
- 4.4 / 5 (911)
- Last updated
Swamp Thing Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Swamp Thing 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.
Swamp Thing Longplay & Gameplay Videos
Watch a full playthrough of Swamp Thing 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
"Swamp Thing" Mega Drive longplay 1992
Swamp Thing Cheat Codes
3 community-curated cheats for Swamp Thing. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite Energy
AJTT-AA72 -
Infinite Lives
AJTT-AA44FF072B:0002 -
Infinite Transform Time
AJVA-AA64
External references
Frequently Asked Questions
When was Swamp Thing released?
Swamp Thing was released in 1992 for the Mega Drive.
Who developed Swamp Thing?
Swamp Thing was developed by Microsmiths, Inc., available to play in your browser on RetroGameSpace.
How many players does Swamp Thing support?
Swamp Thing is a single-player Action game for the Mega Drive.
What type of game is Swamp Thing?
Swamp Thing is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Swamp Thing for free?
Open this page and click "Play Now" — Swamp Thing runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Swamp Thing in the browser?
No. Swamp Thing streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Swamp Thing?
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 Swamp Thing 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 Swamp Thing this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Swamp Thing. 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.
