Here is the full list of unlockable achievements in Dead Island for the Xbox 360.
10 heads are better than 1 (15) – Kill 10 zombies in a row with headshots
A taste of everything (25) – Kill a zombie with 10 different melee weapons
A very special day (30) – Kill 250 zombies with modified weapons
Busy, busy, busy (60) – Finish 75 quests cumulatively
Can’t touch this (20) – Use a hammer to kill a series of 15 zombies without taking damage
Cardio (10) – Travel a distance of 20 kilometers on foot
Catch! (10) – Kill an Infected with a grenade blast
Dedicated student (25) – Reach level 25
Gesundheit! (10) – Heal yourself with a medkit 100 times
Going steady (25) – Complete 25 quests while playing with at least one co-op partner
Gotta find’em all (20) – Find 60 collectibles
Guns don’t kill but they help (25) – Kill 250 zombies using firearms
Hack & slash (25) – Kill 250 zombies using edged melee weapons
Humanitarian (15) – Kill 50 human enemies
I want one of those (30) – Customize 25 weapons
Karma-geddon (15) – Kill 50 zombies using a vehicle
Knock, knock (15) – Breach a locked door with the first blow
Learning the ropes (10) – Reach level 10
Light my fire (20) – Set 10 zombies on fire simultaneously
Ménage à trois (25) – Complete 5 quests with 3 co-op partners
Nearly there (25) – Find 120 collectibles
Need a hand? (10) – Join another player’s game
One is all I need (20) – Kill 5 Infected in a row with a single blow
Originality (10) – Play in a co-op team of 4 different playable characters
People Person (10) – Play with 10 different co-op partners for at least 15 minutes each
Rageman (25) – Kill 100 enemies with Fury attacks
Right 4 Life (30) – Complete act I with 4 different characters
Road Trip (10) – Drive a total distance of 10 kilometers
Rootin’ Tootin’ Lootin’ (30) – Loot 5 Exceptional Weapons
School of hard knocks (30) – Reach level 50
Steam Punk (30) – Create weapons to rival the gods of fire or thunder
Swing them sticks (25) – Kill 150 enemies using Analog Fighting controls
Tae Kwon Leap (25) – Kill 25 zombies with your bare fists
There and back again (30) – Explore the entire island
Tis but a flesh wound! (10) – Sever 100 limbs
To put it bluntly (25) – Kill 250 zombies using blunt melee weapons
Together in the light (10) – Complete 5 quests in a single co-op game with the same partners
Warranty Void if Used (10) – Create a customized weapon
Here are the ten secret achievements you can unlock in the game:
Ah! Spoiled meat! (10) – Kill a Butcher using an axe
Banoi Redemption (30) – Complete act IV
Everybody lies (20) – Use a large medkit to heal an injury of 5% or less
First! (15) – Kill a Suicider with a grenade
Hell in paradise (30) – Complete act I
How many days exactly? (10) – Play Dead Island at least 28 days after starting it for the first time
King of the jungle (30) – Complete act III
No raccoons in here (30) – Complete act II
Oh, no you don’t (10) – Kill a Ram using tackle skill
Savior (20) – Save 5 people besieged by zombies