
Play Agent X (prototype, rev 4) Online
A mad professor has kidnapped the President, and the ransom note says he plans to turn him into a war-mongering maniac (shouldn't be too difficult as I write this....). As Agent X, you must rescue him before he can be brainwashed.
The game is multi-section, and loads in a number of parts (as they are too big to all fit in the memory together), unusually for a budget-price release . The first section involves driving along a diagonally-scrolling road, attempting to ram various cars and trucks into holes, while avoiding them yourself. Later on you must negotiate shooting galleries and Green Beret-esque beat 'em up sections. Throughout all of this the character's depleting energy is depicted by a graphic of the sprite walking towards a gravestone.
Available Versions
Agent X (prototype, rev 1) (1985)(Arcade)
Agent X (prototype, rev 2) (1985)(Arcade)
Agent X (prototype, rev 3) (1985)(Arcade)
Agent X (prototype, rev 4) (1985)(Arcade)
- DeveloperUnknown
- PublisherMastertronic Ltd.
- Release Date1985-12-31
- GenresActionDriving/Racing
- PlatformsArcade
- Players3
Agent X (prototype, rev 4) Series
How to Play Agent X (prototype, rev 4) in Your Browser
1. Click Play
Simply click the "Play Now" button at the top of this page to start the game immediately.
2. Use Controls
Use your keyboard to control the game. Check the keyboard configuration section below for details.
3. Save Progress
Use the save feature to preserve your progress at any point in the game.
Pro Tip
For the best experience playing Agent X (prototype, rev 4), use a desktop or laptop computer with a keyboard. Full-screen mode provides the most immersive gameplay.
Emulator Keyboard Configuration

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Last updated: 2025-04-25T21:09:54.115Z
This page is part of our effort to preserve classic video game history. Agent X (prototype, rev 4) © 1985 Mastertronic Ltd.. This online emulation is provided for historical preservation and educational purposes only.
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