The "Kiss a User" Achievement has no progress tiers listed below it on the achievements page. Mine is shaded like it's completed, but has no tier markers underneath like achievements normally would have to track your progress. I don't believe I got a notification that I reached a new tier in this achievement (like I got for the increased Biting tiers, say) but I might have just missed it in the flurry.

Is this one of the "Achievements [which was supposed to] have some new tiers" as mentioned in the Survival post?
(edit: I can only find one achievement that actually for sure got one)

Iirc "Kiss a user" didn't get a new tier.

I believe it was biting and being kissed that got new tiers.

thanks!

yeah, "Kiss a User" lost its tiers.

I checked ’s forum title guide to confirm, and it looks like we did have tiers up to at least 1,750 kisses for the “Kiss a User” achievement. Now they’re just gone 😦

Didn’t know it had tiers

Oh dear, it does seem like the tiers are all gone.

This is still an ongoing issue!