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Silk Worm
Silk Worm stands as a defining action title on the NES. With polished gameplay mechanics and memorable level design, this classic delivers an experience that has stood the test of time.
- Developer
- Tecmo
- Released
- 1990
- Platform
- NES
- Genre
- Action
- Players
- 2P
- Rating
- 4.4 / 5 (1.4K)
- Last updated
Silk Worm Controls — NES Keyboard Keys
Default keyboard bindings for Silk Worm on our in-browser NES 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) |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Silk Worm Longplay & Gameplay Videos
Watch a full playthrough of Silk Worm on NES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Silk Worm" NES longplay 1990
Silk Worm Cheat Codes
28 community-curated cheats for Silk Worm. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Start With 1 Life
PAXGXALA -
Start With 6 Lives
TAXGXALA -
Start With 9 Lives
PAXGXALE -
Infinite Lives Using Helicopter
SXSVIZVG -
Infinite Lives Using Jeep
SZVVGTVG -
1 Life Using Helicopter After Continue
PEEGSPLA -
6 Lives Using Helicopter After Continue
TEEGSPLA -
9 Lives Using Helicopter After Continue
PEEGSPLE -
1 Life Using Jeep After Continue
PEOKNPLA -
6 Lives Using Jeep After Continue
TEOKNPLA -
9 Lives Using Jeep After Continue
PEOKNPLE -
Start At Stage 2
PAXKEAAA
Show 16 more cheats Show fewer
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Start At Stage 3
ZAXKEAAA -
Start At Stage 4
LAXKEAAA -
Start At Stage 5
GAXKEAAA -
Start At Stage 6
IAXKEAAA -
Start At Stage 7
TAXKEAAA -
Keep Firepower And Speed-Ups For Helicopter
SZETZLSA -
Keep Firepower And Speed-Ups For Jeep
SXOTPTSA -
Restrict Movement Area For Helicopter
EEOVYUEI -
Restrict Movement Area For Jeep
EEOVGYEV -
P1 Vehicle Modifier
003D:00 -
Infinite Lives (Heli)
0057:09 -
Infinite Lives (Jeep)
0068:09 -
Invincibility - Helicopter
SZKVYZVG+SZNVIZVG+SXUVZZVG+SXVVAZVG -
Invincibility - Jeep
SXVTTIVG+SZEVTTVG+SZKVPTVG+SZNTYTVG -
One Hit to kill Bosses
AAVALPLA -
One Hit to kill Bonus Vehicle:Works even during construction
AESESOAA
External references
Frequently Asked Questions
When was Silk Worm released?
Silk Worm was released in 1990 for the NES.
Who developed Silk Worm?
Silk Worm was developed by Tecmo, available to play in your browser on RetroGameSpace.
How many players does Silk Worm support?
Silk Worm supports up to 2 players, ideal for couch co-op or competitive sessions on the NES.
What type of game is Silk Worm?
Silk Worm is a Action game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Silk Worm for free?
Open this page and click "Play Now" — Silk Worm runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Silk Worm in the browser?
No. Silk Worm streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Silk Worm?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original NES cartridge supported.
Does Silk Worm work on mobile devices?
Yes — the NES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Silk Worm this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Silk Worm. 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.
