Psycho Fox
A landmark action game for the Sega Master System, Psycho Fox combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- Tokai Engineering
- Platform
- Master System
- Genre
- Action
- Players
- 1P
- Rating
- 4.8 / 5 (1.7K)
- Last updated
Psycho Fox Controls — Master System Keyboard Keys
Default keyboard bindings for Psycho Fox on our in-browser Master System 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 | 1 | Primary action (jump / confirm) |
| Z | 2 | Secondary action (attack / cancel) |
| Enter | Pause | Start / Pause |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Psycho Fox Longplay & Gameplay Videos
Watch a full playthrough of Psycho Fox on Master System before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Psycho Fox" Master System longplay
Psycho Fox Cheat Codes
19 community-curated cheats for Psycho Fox. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite Lives
00C0-160925F-33F-3BE00F-30F-6EE+1 -
Start With BirdFly
00C0-1C03 -
Rapid Fire BirdFly (Instant Return)
00C0-B701 -
Unlimited Money (Turn Off To Finish Betting)
00C0-1905 -
Unlimited Potions
00C0-1B09 -
Unlimited Effigies
00C0-1809 -
Unlimited Psycho Sticks
00C0-1A09 -
Start As Hippo
00C0-1701 -
Start As Monkey
00C0-1702 -
Start As Tiger
00C0-1703 -
Level Select (Replace ?? With 00-14)
00C0-20??00C0-2000 -
Warp Level Select (Replace ?? With 15-1C)
00C0-20??
Show 7 more cheats Show fewer
-
Weird Levels (Replace ?? With 1D-FF)
00C0-20?? -
Start with ?? lives
00E-F66-E66 -
Infinite Invincible
C99-66E-6E2 -
Infinite items
255-B77-3BE -
Infinite Invincibility Potion Time
00C2-4D02 -
Invulnerability
019-9EE-A2E -
Jump in Midair
3ED-E1F-2AD+009-44F-E62
External references
Frequently Asked Questions
Who developed Psycho Fox?
Psycho Fox was developed by Tokai Engineering, available to play in your browser on RetroGameSpace.
How many players does Psycho Fox support?
Psycho Fox is a single-player Action game for the Master System.
What type of game is Psycho Fox?
Psycho Fox is a Action game for the Master System, playable instantly in your browser — no downloads, no installs.
How can I play Psycho Fox for free?
Open this page and click "Play Now" — Psycho Fox runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Psycho Fox in the browser?
No. Psycho Fox streams from a public archive into a browser-side Master System emulator. Nothing is installed on your computer.
Can I save my progress in Psycho Fox?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Master System cartridge supported.
Does Psycho Fox work on mobile devices?
Yes — the Master System emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Psycho Fox this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Psycho Fox. 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.
