ETERA

PlayStation

Who's There?

Get to the end of Knock Knock.

Achievement in Gex

5Points

0Nobody has unlocked it yet

— Of this game's players

No dataRarity

One of this game's 41 achievements

Want to unlock “Who's There?”?

Play Gex on Etera, track your progress and climb the rankings.

Get Etera See all achievements

More achievements in Gex

Frankenstein's Brother
1 pts
Even Stranger Danger
2 pts
Campbell's Inferno
3 pts
Dead Like Disco
4 pts
It's Morphina Time
5 pts
Cartoon Climber
2 pts
Super POWer
3 pts
An Old Game of Asteroids
4 pts