Help identify this small guy I found in my bioactive terrarium

More or less my first terrarium

Do I have a terrarium or vivarium!

Bioactive

We added some new decomposers to our terrarium

92 gallon paludarium

Terrarium upkeep

Accidental ant colony in Terrarium? Need help

Tiny terrarium

Easy terrarium build

I just found these guys in my terrarium, only springtails were

Second terrarium build.