virtuals buy system changed? how do we buy in new system?

Correct, you pledge points and use your $VIRTUAL tokens to buy.

You can get more info from here: https://app.virtuals.io/geneses/1191

Did some tasks to get virgen points. lets see how much allo i will get

Around 24h left for the pledge mate, in the meantime you can join our Discord. https://discord.com/invite/arbusai

my allocation will depend on other peoples pledge i think

Yes, please check https://app.virtuals.io/geneses/1191, the right side for more info.