Syd of Valis
Syd of Valis remains one of the finest action experiences on the Sega Genesis. Its innovative design and addictive gameplay have earned it a permanent place in gaming history.
- Developer
- Renovation Products
- Released
- 1992
- Platform
- Mega Drive
- Genre
- Action
- Players
- 1P
- Rating
- 4.8 / 5 (1.7K)
- Last updated
Syd of Valis Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Syd of Valis 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.
Syd of Valis Longplay & Gameplay Videos
Watch a full playthrough of Syd of Valis 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
"Syd of Valis" Mega Drive longplay 1992
Syd of Valis Cheat Codes
13 community-curated cheats for Syd of Valis. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Infinite Health
FFD028:63FFD028:0063 -
Infinite Lives
FFD038:09AKHT-AA9TFFD038:0009 -
Infinite Bombs
FFD036:09AK2A-AA8WFFD036:0009 -
Infinite energy (except spikes and pits)
HA3A-AYVR -
Protection from spikes and pits
HBKT-AYXW -
Start with 3 times as much energy (1st life only)
97DT-BB7R -
Invincibility against enemies, bullets, etc.
AA2T-AA58 -
Play in a Bikini
RENT-A6TJ -
Invincibility Against Dangerous Zones (Lava, Acid, Etc).
EBKT-AA5T -
Invincibility
RY2T-A6YW+RZKT-A6W0+RZKT-A6XW -
Infinite Energy
BA3A-AA3R+BBKT-AA5W -
1 Shot Kill Enemies/Bosses
AT3T-AA3G
Show 1 more cheats Show fewer
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Infinite Jump
FFD007:0000
External references
Frequently Asked Questions
When was Syd of Valis released?
Syd of Valis was released in 1992 for the Mega Drive.
Who developed Syd of Valis?
Syd of Valis was developed by Renovation Products, available to play in your browser on RetroGameSpace.
How many players does Syd of Valis support?
Syd of Valis is a single-player Action game for the Mega Drive.
What type of game is Syd of Valis?
Syd of Valis is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Syd of Valis for free?
Open this page and click "Play Now" — Syd of Valis runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Syd of Valis in the browser?
No. Syd of Valis streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Syd of Valis?
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 Syd of Valis 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 Syd of Valis this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Syd of Valis. 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.
