Junction
A landmark action game for the Sega Genesis, Junction combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- Micronet
- Platform
- Mega Drive
- Genre
- Action
- Players
- 1P
- Rating
- 4.5 / 5 (1.2K)
- Last updated
Junction Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Junction 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.
Junction Longplay & Gameplay Videos
Watch a full playthrough of Junction 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
"Junction" Mega Drive longplay
Junction Cheat Codes
12 community-curated cheats for Junction. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
25 Balls Or Infinite Balls On Reset
FFCCA7:0019 -
Infinite Stock (Balls)
ATTT-AA9RFFCCA7:001F -
Infinite Slow Down
RERT-A6TAFFCCA5:003C -
Infinite Time
REWA-A6VYFFCCA2:01C2 -
Start with 100 Slowdown
NTDA-AAA8 -
Start With 200 Slowdown
3ADA-AAA8 -
Start With 300 Slowdown
FTDA-ACA8 -
Start With 400 Slowdown
WADA-ACA8 -
Start With 500 Slowdown
8TDA-ACA8 -
Start With 999 Slowdown
66DA-AGA8
External references
Frequently Asked Questions
Who developed Junction?
Junction was developed by Micronet, available to play in your browser on RetroGameSpace.
How many players does Junction support?
Junction is a single-player Action game for the Mega Drive.
What type of game is Junction?
Junction is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Junction for free?
Open this page and click "Play Now" — Junction runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Junction in the browser?
No. Junction streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Junction?
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 Junction 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 Junction this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Junction. 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.