Alpha Protocol
50 Achievements
1,000
50-60h
Rising Star
You joined Halbech and put an end to Alpha Protocol. Details for this achievement will be revealed once unlocked
25
How to unlock the Rising Star achievement in Alpha Protocol - Definitive Guide
Now, for the mission. You will have to find Mina (who is in the doors to the left of those you go through to get to your handler) and do what you see fit with her, kill her or don't. Once you've beaten the final boss (who should be Westridge), choose the option that is NOT "Betray". You should unlock the achievement.
This achievement will take a bit of planning, and is a somewhat of a pain to get.
Throughout the game, the game will bring you back to the present time, during which you will be talking to Henry Leland about your actions. During these conversations, you need to get Leland to like you. Stick with mainly Professional responses, and when given the chance, try to Bluff him via the Suave stance. Stay away from sarcastic or mocking responses, as otherwise you will not be able to get this ending.
When you finally come to the final mission itself, if Leland likes you enough, he will give you the option of joining Halbech. When you finish off the final boss, you will be talking to Leland near your boat. No matter if you stay loyal or betray him, the achievement will unlock by the end of your conversation with him.
On the "Infiltrate Alpha Protocol" mission, accept Leland's offer of employment. You will receive the trophy for this ending regardless of your response to Shaheed, or whether or not you betray Leland at the end. Credit to Usul for additional information.