Here is the full list of all 30 The Waste Land achievements.
A sword with peculiar qualities
Defeat a snow living boss
Talk, understand, think
Find some powerful arrows
Find the final arrows set
Strange things may happen..
Find 10 heart power ups
Defeat a flying boss
Find the explosive arrows
Ancient monuments sometimes have an hidden entrance
Find a blade from a distant land
Defeat a sea dwelling boss
Enter the credits level
Find the battle sword
Find the fire arrows
Find 5 heart power ups
Defeat the first boss
Pierce through enemies with your bow
Find the double jump boots
Follow your fate
Find the short sword
Start a new adventure
Defeat the last boss
A blade of incredible powers
Find 15 heart power ups
Find 20 heart power ups
There's an hidden crypt full of secrets
Finish the game with an act of trust
Finish the game with an act of courage
Collect all the upgrades and all the weapons