Here is the full list of all 127 Mighty Monster Mayhem achievements.
Eat a 5 civilians
Eat 10 yummy civilians
Destroy everything!
Eat 100 civilians
Eat 1000 Civilians
Destroy 1 Troop Vehicle
Destroy 10 Troop Vehicles
Destroy 20 Troop Vehicles
Destroy 100 Troop Vehicles
Complete a single player level
Complete a multi player level
Complete all single player levels
Win a multi player game
Win with half the time remaining
Win with 5 seconds remaining
Hit by an electrical Hazard
Hit by a fire hazard
DIE
Kill another player
Kill 10 other players
Kill 100 other players
Kill 1000 other players
Destroy a building
Destroy 10 buildings
Destroy 100 buildings
Destroy 1000 buildings
Throw a civilian
Throw 10 Civilians
Throw 100 Civilians
Throw 1000 Civilians
Throw a soldier
Throw 10 soldiers
Throw 100 soldiers
Throw 1000 soldiers
Rip 10 chunks from a building
Rip 100 chunks from a building
Rip 1000 chunks from a building
Catch something
Catch 10 things
Catch 100 things
Catch 1000 things
Save 5 falling civilians
Juggle 10 civilians
Catch 100 civilians
Catch 1000 civilians
Kill 5 soldiers
Kill 10 soldiers
Kill 100 soldiers
Kill 1000 soldiers
Destroy 10 fire hydrants
Destroy 100 fire hydrants
Destroy 1000 fire hydrants
Destroy 10 bird houses
Destroy 100 bird houses
Destroy 1000 bird houses
Destroy 10 recycle cans
Destroy 100 recycle cans
Destroy 1000 recycle cans
Destroy 10 ambulances
Destroy 100 ambulances
Destroy 1000 ambulances
Destroy 10 hotdog stands
Destroy 100 hotdog stands
Destroy 1000 hotdog stands
Destroy 10 payphones
Destroy 100 payphones
Destroy 1000 payphones
Destroy 10 mailboxes
Destroy 100 mailboxes
Destroy 1000 mailboxes
Destroy 10 cars
Destroy 100 cars
Destroy 1000 cars
Destroy 10 Trash Cans
Destroy 100 trash cans
Destroy 1000 trash cans
Destroy 10 buses
Destroy 100 buses
Destroy 10000 buses
Destroy 10 fire trucks
Destroy 100 fire trucks
Destroy 1000 fire trucks
Destroy 10 planters
Destroy 100 planters
Destroy 1000 planters
Destroy 10 bus stops
Destroy 100 bus stops
Destroy 1000 bus stops
Destroy 10 police cars
Destroy 100 police cars
Destroy 1000 police cars
Win 10 multi player games
Win 40 multi player games
Win 100 multi player games
Play a four player game
Play a three player game
Play a two player game
Eat a soldier
Eat 10 soldiers
Eat 100 soldiers
Eat 1000 soldiers
Destroy the Hoop Landmark
Destroy the Helix Landmark
Destroy a basketball hoop
Destroy the Hoop Sculpture Landmark
Destroy the Sphere Landmark
Destroy the Rubber Band Ball Landmark
Destroy the Coil Landmark
Destroy the Statue Landmark
Destroy the Bowling Ball Landmark
Destroy the Cube Landmark
Eat a powerup
Eat 10 powerups
Eat 100 powerups
Eat 1000 powerups
Find 1 Hidden Object
Find 10 Hidden Object
Find 100 Hidden Object
Eat 10 Civilians in their homes
Eat 100 Civilians in their homes
Eat 1000 Civilians in their homes
Destroy a Helicopter
Destroy 10 Helicopters
Destroy 100 Helicopters
Destroy 1000 Helicopters
Destroy the Horseshoe Landmark
You press the keyboard while playing VR games... interesting...