Alien Trilogy is a classic first-person shooter for the PS1 that challenges players to survive against the terrifying Xenomorphs from the Alien franchise. While the game offers a satisfying and challenging experience on its own, there are also several secrets, unlockables, and codes that offer additional challenges and rewards for players who are willing to explore the game’s environments and complete certain tasks.

Here are some of the most notable secrets, unlockables, and codes for Alien Trilogy:

  1. Cheat Codes: There are several cheat codes that can be entered at the game’s main menu to unlock various features. Here are some of the most useful codes:
  • Infinite Ammo: L2, R2, L1, R1, Circle, Triangle, Square, X
  • Invincibility: L2, R2, L1, R1, Circle, Triangle, X, Square
  • Level Select: L2, R2, L1, R1, Circle, Square, X, Triangle
  1. Secret Levels: There are several secret levels hidden throughout the game that can be accessed by finding hidden switches or completing certain tasks. Here are some of the most notable secret levels:
  • Level 6: To access this level, you need to find a hidden switch in Level 4. The switch is located behind a false wall in a room with a dead Marine.
  • Level 11: To access this level, you need to find a hidden switch in Level 10. The switch is located in a hidden room behind a wall that can be destroyed with explosives.
  • Level 15: To access this level, you need to find a hidden switch in Level 14. The switch is located in a room with a broken floor. You can reach it by jumping from a nearby ledge.
  1. Bonus Content: Depending on the version of the game, there may be additional bonus content, such as behind-the-scenes videos or concept art, that can be unlocked by completing certain tasks or finding hidden items. Here are some examples:
  • Concept Art: To unlock concept art, you need to collect all of the Data Discs scattered throughout the game’s levels. The discs are hidden in secret areas and can be difficult to find.
  • Behind-the-Scenes Video: To unlock the behind-the-scenes video, you need to complete the game on the hardest difficulty setting.
  1. Alternate Endings: There are multiple endings to the game, depending on the player’s performance and choices throughout the game. Players who are able to complete the game under certain conditions may unlock special endings that offer additional story content. Here are some of the most notable alternate endings:
  • Bad Ending: If you fail to save enough Marines throughout the game, you will get a bad ending where the Xenomorphs overrun the colony and kill everyone.
  • Good Ending: If you are able to save enough Marines and complete all of the game’s objectives, you will get a good ending where you escape the colony and destroy it with a self-destruct sequence.
  • Secret Ending: If you are able to complete the game on the hardest difficulty setting without using any cheat codes, you will unlock a secret ending that reveals a hidden plot twist.

Overall, Alien Trilogy offers a good degree of replayability thanks to its various secrets, unlockables, and codes. Whether you want to unlock cheat codes, find secret levels, or discover alternate endings, there is plenty to keep you engaged and challenged in this classic first-person shooter.

Unveiling the Secrets: Unlockables and Codes in Contender 2 for PlayStation 1

Introduction: Contender 2 for PlayStation 1 offers an exciting and immersive boxing experience, but what if there's more to discover beyond the surface? Dive into the world of unlockables, secret content, and hidden codes that can elevate your gameplay to new heights....

Unveiling Secrets and Unlockables: Exploring the Hidden Depths of Cool Boarders 3

Introduction: Cool Boarders 3, the beloved snowboarding game released in 1998, offers more than meets the eye. Beyond its surface-level gameplay and features, the game is teeming with secrets, codes, and unlockables, providing players with hidden depths to explore. In...

Unleash the Secrets of Agile Warrior F-111X: Unlockables, Codes, and More!

Are you ready to take your aerial combat skills to the next level? Look no further than Agile Warrior F-111X, the classic flight simulator that still holds up today. And while the game may be over two decades old, there are still plenty of secrets and unlockables to...

Unlockables in 2002 FIFA World Cup for PS1: How to Get the Classic XI Team, World All-Star Team, and More

Unlockables in 2002 FIFA World Cup for PS1 Released in 2002, the 2002 FIFA World Cup game for PS1 allowed players to experience the excitement and drama of the FIFA World Cup from the comfort of their own homes. In addition to the standard teams and modes, the game...

Unlocking Secrets and Exploring Hidden Depths: Unraveling the Mysteries of Critical Depth

Introduction: Critical Depth, an exhilarating vehicular combat game for the PlayStation console, offers more than meets the eye. Beyond its intense underwater battles and strategic gameplay, this classic title holds a treasure trove of secrets, codes, and unlockables...

Unlocking the Secrets of Army Men: World War for PlayStation 1

Are you a fan of the classic PlayStation 1 game, Army Men: World War? Did you know that there are several hidden secrets and unlockables in the game that can enhance your gaming experience? In this article, we will explore some of the codes and ways to unlock...

Unveiling the Secrets: Unlockables and Codes in Contra: Legacy of War for PS1

Introduction: Contra: Legacy of War for the PlayStation (PS1) holds a special place in the hearts of gamers who appreciate the iconic Contra franchise. While this particular installment may have received mixed reviews for its gameplay and other aspects, it still...

Unlock the Secrets of Army Men: Sarge’s Heroes 2 for PS1 – Cheat Codes and Hidden Unlockables

Are you a fan of Army Men: Sarge's Heroes 2 for the PlayStation 1? Did you know that there are several secrets, cheats, and unlockables hidden within the game that can add to the fun and offer new challenges? In this guide, we'll explore all the hidden features of...

Auto Destruct PS1 Secrets and Unlockables: Enhance Your Gameplay Experience

Auto Destruct for PS1 is a classic action game that has been enjoyed by gamers for many years. However, did you know that there are some secrets and unlockables in the game that can enhance your gameplay experience? In this article, we will explore some of the hidden...

Unveiling the Hidden Gems: Codes, Secrets, and Unlockables in Circuit Breakers for the PlayStation 1

Introduction: Circuit Breakers, the adrenaline-fueled racing game developed by Supersonic Software for the PlayStation 1, offers more than meets the eye. Beyond its fast-paced gameplay and intense vehicular combat, Circuit Breakers harbors a collection of codes,...
Share This