Cloud Master
Cloud Master stands as a defining action title on the Sega Master System. With polished gameplay mechanics and memorable level design, this classic delivers an experience that has stood the test of time.
- Developer
- Opera House
- Platform
- Master System
- Genre
- Action
- Players
- 2P
- Rating
- 4.6 / 5 (2.4K)
- Last updated
Cloud Master Controls — Master System Keyboard Keys
Default keyboard bindings for Cloud Master 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.
Cloud Master Longplay & Gameplay Videos
Watch a full playthrough of Cloud Master 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
"Cloud Master" Master System longplay
Cloud Master Cheat Codes
8 community-curated cheats for Cloud Master. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
FAKE Infinite Lives
00C4-C90900C4-E009 -
Infinite Lives
00C4-E00900C4-C9093A5-B1E-2A2 -
Invincibility
00C4-C703 -
Maximum Firepower
00C4-C307 -
Maximum Speed
00C4-C405 -
Invulnerability
C37-9CA-E61
External references
Frequently Asked Questions
Who developed Cloud Master?
Cloud Master was developed by Opera House, available to play in your browser on RetroGameSpace.
How many players does Cloud Master support?
Cloud Master supports up to 2 players, ideal for couch co-op or competitive sessions on the Master System.
What type of game is Cloud Master?
Cloud Master is a Action game for the Master System, playable instantly in your browser — no downloads, no installs.
How can I play Cloud Master for free?
Open this page and click "Play Now" — Cloud Master runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Cloud Master in the browser?
No. Cloud Master streams from a public archive into a browser-side Master System emulator. Nothing is installed on your computer.
Can I save my progress in Cloud Master?
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 Cloud Master 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 Cloud Master this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Cloud Master. 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.
