Full list of all 40 The Walking Dead: Season Two achievements worth 500 gamerscore.
The base game contains 8 achievements worth 100 Gamerscore, and there are 4 DLC packs containing 32 achievements worth 400 Gamerscore.
Completed Episode 1: "All That Remains"
Headed out with the group.
Took care of yourself.
Got what you needed.
Arrived at the cabin.
Met new people.
Found a campsite.
Arrived at the shore.
Completed Episode 2: "A House Divided"
Settled things with a new friend.
Made it to the ski lodge.
Met someone on a bridge.
Found a way across the water.
Left the cabin.
Talked to a stranger.
Helped someone through a difficult time.
Witnessed a murder.
Arrived at your new home.
Make it through your first day.
Commit larceny.
Get beaten down.
Invite some friends into the compound.
Give what you got.
Complete Episode 3: "In Harm's Way"
Get separated from the group.
Learn new survival skills.
Return to the meeting place.
Reach the museum.
Find the Observation Deck.
Survive the attack.
Get back on the road.
Complete Episode 4: "Amid the Ruins"
Make it out alive.
Take a breather.
Stop for the night.
Reach the other side.
Make it through to morning.
Reach the terminus.
Find your way through.
Complete Episode 5: "No Going Back"