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Conquest of the Crystal Palace
Conquest of the Crystal Palace is a first-person RPG developed by Quest and released in 1990 for the NES. Players explore a series of dungeons, engaging in turn-based combat against monsters and collecting treasures. The game features a party system where you can recruit various characters to join your group, each with unique abilities. Combat is menu-driven, requiring strategic selection of attacks, spells, and items. The dungeon structures vary in complexity, with each level presenting new enemies and environmental challenges. The objective is to progress deeper into the Crystal Palace, defeat increasingly difficult bosses, and ultimately save the kingdom from destruction.
- Developer
- Quest
- Released
- 1990
- Platform
- NES
- Genre
- RPG
- Players
- 1P
- Rating
- 4.6 / 5 (2.2K)
- Last updated
Conquest of the Crystal Palace Controls — NES Keyboard Keys
Default keyboard bindings for Conquest of the Crystal Palace 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.
Conquest of the Crystal Palace Longplay & Gameplay Videos
Watch a full playthrough of Conquest of the Crystal Palace 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
"Conquest of the Crystal Palace" NES longplay 1990
Conquest of the Crystal Palace Cheat Codes
29 community-curated cheats for Conquest of the Crystal Palace. 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 Lives
GZVTAPAX0074:03SZVTLPSA+1 -
Infinite Energy For Farron
SXXTAIAX -
Maximum Energy Without Life Crystal
GPEYUXTA -
Don't Use Up Money When Buying Things
GZXVPPAX+GZUTZPAX -
Super Jump Without Flight Crystal
AAVIGTZA+PAVITTLA -
Increase Super Jump To Mega Jump
IOUSLVTA -
Increase Super Jump To Super Mega Jump
IKUSLVTA -
Plays Music Only
KUYEPS -
Some Enemies Explode
OIPXUE -
Infinite Fire Power Works Real Good With Scrolls And Turbo Fire
SUPILU -
Sound Effects Only
KUGAXE -
Infinite Fire Power
SUPILU
Show 17 more cheats Show fewer
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Invincibility For Farron
0768:FA -
Set Crystal
0099:01 -
Set Jumping Shoes
0079:01 -
Set Infinite Money [9K]
0076:90 -
Switch F/X On To Levitate Jump
0077:FA -
Defeat Most Enemies/Bosses With 1 Hit #1
0549:00 -
Defeat Most Enemies/Bosses With 1 Hit #2
054A:00 -
Defeat Most Enemies/Bosses With 1 Hit #3
054B:00 -
Stage Select
002B:00 -
Super Jump without Flight CrystalFor the last two codes to work, You must allready have super jump.
AAVIGTZA+PAVITTLA -
Infinite Energy
VVKSZOSU -
Invincibility
ESVIYPEY+SEVIIPSZSXOVLIAX -
Infinite Health Farron (Boy)
0540:15 -
Infinite Health Zap (Dog)
0541:2D -
Have Lots of Coins
0076:BF -
Set Infinite Money (9K)
0076:90 -
Debug Mode
AAXIZOAA
External references
Frequently Asked Questions
When was Conquest of the Crystal Palace released?
Conquest of the Crystal Palace was released in 1990 for the NES.
Who developed Conquest of the Crystal Palace?
Conquest of the Crystal Palace was developed by Quest, available to play in your browser on RetroGameSpace.
How many players does Conquest of the Crystal Palace support?
Conquest of the Crystal Palace is a single-player RPG game for the NES.
What type of game is Conquest of the Crystal Palace?
Conquest of the Crystal Palace is a RPG game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Conquest of the Crystal Palace for free?
Open this page and click "Play Now" — Conquest of the Crystal Palace runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Conquest of the Crystal Palace in the browser?
No. Conquest of the Crystal Palace streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Conquest of the Crystal Palace?
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 Conquest of the Crystal Palace 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 Conquest of the Crystal Palace this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Conquest of the Crystal Palace. 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.
