Here is the full list of all 36 ANNO: Mutationem achievements worth 1,000 gamerscore.
Unlock all other achievement
Unlock 50% of all Talents
Defeat the Final Boss
Obtain 10 weapons in total
Arrive at the Consortium's Inner Hall
Unlock the false ending
Cause 150 damage in a single attack
Pull off a 20-hit combo
Complete 10 Hacking mini-games
Defeat 20 enemies while Ann is transformed
Complete the highest level of Bartending
Complete the Underground Water Channel area
Defeat the Factio Pugni Boss TR
Change into the night dress
Spend 1000 credits
Disassemble 30 items
Pick up 100 items in total
Read 30 documents
Combine 15 items
Defeat 100 enemies in total
Super-Enchance a Weapon Chip
Discover all Teleport-Springs
Shower 3 times
Pray to the statue in the bookstore 10 times
Defeat 2 or more enemies with 1 grenade
Collect all posters
Win the arcade mini-game
Collect all the Cyber Neko+ statues
Discover Hapi's lair
Watch the Arena fight for 30 second as spectactor
Listen to 50 conversations
Make 15 cars stop
Kill 1 Red Ball Monstrositiy
Deflect 10 projectiles with your energy sword
Come back to Consortium after having completed the game
Complete all side quests