Screenshots
3D Gunner
3D Gunner stands as a defining shooter 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
- SEGA
- Platform
- Master System
- Genre
- Shooter
- Players
- 1P
- Rating
- 4.3 / 5 (1K)
- Last updated
3D Gunner Controls — Master System Keyboard Keys
Default keyboard bindings for 3D Gunner 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.
3D Gunner Longplay & Gameplay Videos
Watch a full playthrough of 3D Gunner 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
"3D Gunner" Master System longplay
External references
Frequently Asked Questions
Who developed 3D Gunner?
3D Gunner was developed by SEGA, available to play in your browser on RetroGameSpace.
How many players does 3D Gunner support?
3D Gunner is a single-player Shooter game for the Master System.
What type of game is 3D Gunner?
3D Gunner is a Shooter game for the Master System, playable instantly in your browser — no downloads, no installs.
How can I play 3D Gunner for free?
Open this page and click "Play Now" — 3D Gunner runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play 3D Gunner in the browser?
No. 3D Gunner streams from a public archive into a browser-side Master System emulator. Nothing is installed on your computer.
Can I save my progress in 3D Gunner?
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 3D Gunner 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 3D Gunner this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of 3D Gunner. 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.
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