Alien Syndrome (USA, Europe)

Alien Syndrome is an action-shooter game originally released by Sega in arcades in 1987 and later ported to various home consoles.

How to play

1. Characters:
- Choose between two characters: Ricky or Mary (names may vary in different versions)

2. Gameplay:
- It's a top-down shooter with maze-like levels
- Your goal is to rescue hostages and defeat aliens

3. Controls:
- Use the joystick or D-pad to move in eight directions
- One button to shoot
- Another button to select weapons (in some versions)

4. Objectives:
- Rescue a specified number of hostages in each level
- Find the exit once you've rescued enough hostages
- Defeat the boss at the end of each stage

5. Weapons:
- Start with a basic gun
- Collect weapon power-ups to access stronger weapons like lasers, flamethrowers, etc.

6. Items:
- Collect power-ups for speed boosts, temporary invincibility, etc.
- Find maps to reveal the entire level layout

7. Hostages:
- Locate and touch hostages to rescue them
- A counter shows how many hostages you still need to save

8. Time Limit:
- Each level has a time limit
- If time runs out, you lose a life

9. Enemies:
- Various alien creatures will attack you
- Shoot them or avoid them

10. Boss Battles:
- Each level ends with a boss fight
- Bosses require specific strategies to defeat

11. Multiplayer:
- Some versions support two-player cooperative play

12. Lives and Continues:
- You have limited lives
- Game over when all lives are lost, but you can usually continue

Alien Syndrome is known for its fast-paced action, maze exploration, and cooperative gameplay. The game can be quite challenging, especially in later levels where enemies become more numerous and aggressive.

Use arrow key and try some key ( Shift, Enter, Z, X, A, S , Q, E, R, T, G, F, H ) to controls the game.