Here is the full list of all 26 Zapling Bygone achievements.
Complete Zapling Bygone
The Devils Bluff
The only cure, if you can call it that.
It's just a dumb hunk of metal.
Haiku the bruh bots
It's older than expected.
It's like those arcade machines but bigger.
Hello, is anyone home?
Who said consciousness has to be organic?
SQUAAAK
You monster.
A story told through death.
Haven't you got work to do?
Frozen in pain
Beware the darkness.
These walls are looking very attractive.
It seems to have an urge to play the clarinet, weird...
New planet who dis?
Obtained every painting from the artist.
I bet you still don't know what's what.
It's where the worms live.
Stop showing off.
Hold my beer.
You only went and done it.
Who needs skulls?
Take a breather, you got this.