Here is the full list of all 59 Quest for Infamy achievements.
You raised your combat skills to 100. That took a lot of effort so, really, well done you.
You defeated every random monster in the Valley of Krasna.
You escorted Big D to his destination, as part of your journey on the Brigand's path.
You took out the caravan while travelling the Brigand's path, but you did it the easy way.
You took out the caravan while travelling the Brigand's path, and you did it the hard way.
You found and delivered mastadon to Kurdt, your first real task on the path of the Brigand.
You're a Brigand.
You maxed out your spells! You really kick some ass.
You killed Rayford after you final confrontation with him. He did deserve it after all.
You mastered your spells to a pretty good level. At least they're more powerful now.
You bought the Diamond Tipped Crowbar and the Holy Symbol even though there was no use for them in the game.
You reached the Morroi compound by trekking through the sewers in the swamp.
You completed the necromancer quest, gathering the body parts to help her create her ultimate lover.
You drained Markus' head of it's blood, then came back and stole his brain!
You looted every available container, drum and stash in the mines.
You defeated the Kraken in the dwarven mines.
Using your brains for a change, as well as some fireflies and a jar, you created light in the swamp.
You found and created all the magic spells for Prospero while travelling the Sorcerer's path.
You burnt down the oak tree in the grasslands just to get an owl feather. We approve.
You achieved a perfect score in archery.
You killed the farmer just to get an apple from his orchard.
You're a Sorcerer.
You waited the full 15 minutes just lazing around Volksville and the valley before you went to the execution.
You broke into all the houses you could.
You killed the moonshiner's assistant, probably because he dropped some moonshine.
You gave food to the hunter to give you information on the moonshiner's whereabouts.
You passed out from drinking and woke up with a traffic cone in your inventory.
You pissed on the carpet AND the beast! We love you.
You executed Gorth after your fight with him.
You Win!
Showing mercy to Rayford after your final confrontation with him didn't really matter, because Jan raced in and finished him off anyway.
You rescued the council of Tyr and they helped you to retake the city from Rayford and his lackeys.
You rescued the Tyr's Arrow's during the siege of Tyr, making you job of getting to Rayford a bit easier.
You used the green smoke bombs you obtained from Jerrod to help get into Tyr.
You freed all the prisoners from Rayford's dungeon and they helped you during the siege of Tyr.
You convinced Jan to help you get into Tyr and overthrow Rayford.
No more working for Rayford!
You killed the leader of the Morroi, Uotarragh in hand to multiple hand combat.
You stopped sleeping under the stars and bought a tent to sleep in.
Using your dyed green cloak, you managed to get into the Morroi compound.
You attempted to woo Voleris by giving her a really nice dagger.
You killed the slave trader in his bed.
You destroyed the moonshiners equipment. He should pay his accounts, even if it is to a bastard like Rayford.
You roughed up the moonshiner so he would pay Rayford his due.
You paid the hunter to give you information on the moonshiner's whereabouts.
You've finished Act 1 of Quest for Infamy. Hooray!
You defeated the puzzle board.
You gathered the four parts of the Killington seal and locked them together.
You stole the bird while travelling the path of the Rogue.
You opened the lock. It really wasn't that hard was it?
You helped out around the docks of Tyr. For Money.
You read the books in the library of Tyr and discovered the legacy of the Killingtons.
You met Japsworth and listened to his stories about the Killington family.
You found the thieves den while travelling the Rogue's path.
You showed Gorth some mercy, deciding that killing him was too much.
You thought you were dead for a moment there, but you woke up in Jerrod's feeling much better.
You're a Rogue.
You talked with everyone in Volksville you needed to speak with to progress to the execution.
You killed the beast. Her name was Johanna if you wanted to know.