- You have completed all of the required elements to unlock the achievement.
- Your device / console must be connected to the internet.
Alien Syndrome Retro Achievements, Trophies and Unlocks
There are 34 Alien Syndrome achievements, trophies and unlocks on RETRO platform curated by the community.
Games similar to Alien Syndrome
Watch Your Step
Accumulate 5 lives
Alien Slayer
Get a score of 50,000
Alien Killer
Get a score of 100,000
Alien Demolisher
Get a score of 200,000
Hugger
Beat 1st boss
Warming Up
Save all prisoners on stage 2 and get to the exit
Asophy
Beat 2nd boss
Getting Better
Save all prisoners on stage 3 and get to the exit
Tacady
Beat 3rd boss
That Was Tough
Save all prisoners on stage 4 and get to the exit
Halpha
Beat 4th boss
How In The World?!
Save all prisoners on stage 5 and get to the exit
Teetsie
Beat 5th boss
Glad That's Over
Save all prisoners on stage 6 and get to the exit
Minemor
Beat 6th boss
King Core
Beat the game
Just The Beginning
Save all prisoners on stage 1 and get to the exit
Watch Your Step
Accumulate 5 lives
Alien Slayer
Get a score of 50,000
Alien Killer
Get a score of 100,000
Alien Demolisher
Get a score of 200,000
Hugger
Beat 1st boss
Warming Up
Save all prisoners on stage 2 and get to the exit
Asophy
Beat 2nd boss
Getting Better
Save all prisoners on stage 3 and get to the exit
That Was Tough
Save all prisoners on stage 4 and get to the exit
Tacady
Beat 3rd boss
Halpha
Beat 4th boss
How In The World?!
Save all prisoners on stage 5 and get to the exit
Glad That's Over
Save all prisoners on stage 6 and get to the exit
Teetsie
Beat 5th boss
Minemor
Beat 6th boss
King Core
Beat the game
Just The Beginning
Save all prisoners on stage 1 and get to the exit
Why achievements are not unlocking for Alien Syndrome in Retro ?
To successfully unlock achievements and challenges, you need to make sure the following are true:
