Pakistani passport holders can obtain a visa on arrival in several countries. However, visa policies are subject to change, so it's always advisable to check the latest information before traveling. As of my last update, here are some countries where Pakistani citizens can get a visa on arrival: 1. **Bolivia**: Visa on arrival for 90 days. 2. **Cambodia**: Visa on arrival for 30 days. 3. **Cape Verde**: Visa on arrival. 4. **Comoros**: Visa on arrival. 5. **Guinea-Bissau**: Visa on arrival for 90 days. 6. **Madagascar**: Visa on arrival for 90 days. 7. **Maldives**: Visa on arrival for 30 days. 8. **Mauritania**: Visa on arrival. 9. **Mozambique**: Visa on arrival for 30 days. 10. **Nepal**: Visa on arrival for up to 150 days. 11. **Palau**: Visa on arrival for 30 days. 12. **Qatar**: Visa on arrival for 30 days, extendable for another 30 days. 13. **Rwanda**: Visa on arrival. 14. **Samoa**: Entry permit on arrival for 60 days. 15. **Seychelles**: Visitor's permit on arrival for 90 days. 16. **Somalia**: Visa on arrival for 30 days, provided an invitation letter issued by the sponsor has been submitted to the Airport Immigration Department at least 2 days before arrival. 17. **Timor-Leste**: Visa on arrival for 30 days. 18. **Togo**: Visa on arrival for 7 days. 19. **Tuvalu**: Visa on arrival for 30 days. Remember, the availability of visas on arrival can depend on various factors, including the purpose of visit, and the current diplomatic relations between Pakistan and the host country. It's always recommended to check with the embassy or consulate of the destination country for the most current visa information before planning your travel.