Since in the Steam version the developer can't hide achievements, it's clear what they are, see here: http://steamcommunity.com/stats/67370/achievements
The ones without description are the secret achievements.
I will list them here and update the answer when I know how to unlock them:I will list them here and update the answer when I know how to unlock them:
- Cheque Please! - I Got this one when I got reunited with fat tony after the subway level. Doesn't seem to be more than a "story achievement"
- I'm Just Getting Started - Find and interrogate Swifty
- Escape the Brotherhood - Survive the interrogation
- Storm the Mansion - Take back your mansion
- One Flew Over...
- Decisions, Decisions - Return to reality...?
- Sweet Revenge - Avenge your Aunt Sarah
- Allies in Strange Places - Escape the asylum with help from the inside
- Date Night - Protect Jenny
- Back in the Saddle
- Should Have Called 555-2368... - Rescue Jackie from the Iron Maiden
- Step into Hell... - Defeat Victor