If you want to change the country it is possible by making a slight change to your normal configuration.
Desktop GNU/Linux Distributions
If you are connecting directly to PenguinVPN 2.0 servers using Wireguard using a desktop distribution open up your network applet (usually in the lower or upper right hand corner of the screen). On Linux Mint 21 for instance it's in the lower right, left click the network icon, select Network Connections. Scroll down and click the VPN connection you've already created and click cogwheel icon to edit the selection. Under the VPN tab you'll see something that says gateway. You just need to replace europe.penguinvpn.com or europe.vpn.penguinvpn.com with one of the below addresses:
Routers with libreCMC
If you are using a router/libreCMC open a browser and go to https://192.168.3.1 or https://192.168.8.1, login to your router (default password is the word 'none' without the quotes), and go to Network > Interface > Wireguard and click the Edit button to the right. Then in the Endpoint Host box change europe.vpn.penguinvpn.com or europe.penguinvpn.com to one of the addresses listed below. Then go to System > Reboot and click Perform reboot button.
LineageOS / GrapheneOS / Replicant / Android Phones
If you are using LineageOS / Android / GrapheneOS / etc open up Settings > Network & internet > Advanced > VPN > WireGuard and click on the WireGuard configuration for PenguinVPN. Then Click the pencil to edit the configuration. Where it says Endpoint change europe.vpn.penguinvpn.com:1637 or europe.penguinvpn.com:1637 to one of the addresses below (make sure to include :1637 after replacing the europe.penguinvpn.com or europe.vpn.penguinvpn.com).
Austria: at.vpn.penguinvpn.com
Canada: ca.vpn.penguinvpn.com
Brazil: br.vpn.penguinvpn.com
United States: us.vpn.penguinvpn.com
United States: us1.vpn.penguinvpn.com
United States: us2.vpn.penguinvpn.com
Ireland: ie.vpn.penguinvpn.com
Estonia: ee.vpn.penguinvpn.com
Germany: de.vpn.penguinvpn.com
United Kingdom: gb.vpn.penguinvpn.com
Japan: jp.vpn.penguinvpn.com
New Zealand: nz.vpn.penguinvpn.com
Serbia: rs.vpn.penguinvpn.com
Switzerland: ch.vpn.penguinvpn.com
Sweden: se.vpn.penguinvpn.com
Singapore: sg.vpn.penguinvpn.com
Europe: europe.vpn.penguinvpn.com
Earth: earth.vpn.penguinvpn.com