Move VAR step without variable

is it possible for smthn like this without variables?

CUSTOM BLOCK
{
----repeat (50)
----{
--------change (var) by (1)
--------move (var) steps
----}
}

If you mean without a global var then you can do this

botsInSpace script pic

move(50*51/2) steps
no trying to stuff up time complexity by unnesscary loops

I'm thinking the OP really is going to put a TURN in that loop.

I'm guessing you come to us from Scratch. A useful block we've added to the Control category is FOR:
untitled script pic
It takes care of the CHANGE BY 1 business.