Archive.org is probably the best and safest way to get it now.
https://archive.org/details/grand-theft-auto-2_20231230
I hope this doesn’t require a PSN account too.
I think a lot of PC players are waiting on the steam release.
PSA: if you own the crew, consider taking action.
https://www.stopkillinggames.com
Gotham Knights
Unfortunately it’s gone from there now too
Looks like they removed Liberty City stories and Chinatown Wars from individual purchase on iOS and put them behind GTA+
Archive.org is probably the best and safest way to get it now.
https://archive.org/details/grand-theft-auto-2_20231230