Here is the full list of all 25 Full Mojo Rampage achievements.
Complete all the quests in "This is VOODOOOO!" difficulty
Unlock the champion mask
Complete survival mode in masochistic difficulty
Complete all the quests in "WTH is this?" difficulty
Find all the items from the library
Get 10 frags in a PVP row without being killed
Get the best score in a PVP match
Complete all the quests in "Definitely not easy" difficulty
Kill an enemy when you are heavily wounded (1% of life or less)
Complete all the quests in "Annoying" difficulty
Complete survival mode
Kill Mandingo without being damaged
Reach max level
Complete all the quests in "Hardcore" difficulty
Complete Quest 4
Pick up 10000 coins
Complete Quest 3
Unlock all the gods
Kill Wormling without being damaged
Complete Quest 2
Complete a quest in cooperative mode
Complete Quest 1
Pick up 1000 coins
Talk to 3 different gods in a single match
Play in cooperative mode