Here is the full list of all 81 Juanito Arcade Mayhem achievements.
Survive 1 minute in Survival Mode.
Survive less than 30 seconds in Survival Mode.
Get the first upgrade to the Arcade Gun.
Die 3 consecutive times in a Wonderland level.
Win a level without getting hit by an axe in the Wonderland game.
Save the Arkadroid video game.
Destroy 2000 clonocells.
Die 3 consecutive times in an Arkadroid level.
Win a level with a large ship in the Arkadroid game.
Destroy 20 clonocells while time is frozen.
Save the Blockits video game.
Get a 50 combo streak.
Get a 30 combo streak with the machine gun.
Lose all your lives in a Blockits level due to the blocks.
Lose 3 consecutive times in a Blockits level.
Destroy 500 clonocells.
Get a 20 combo streak.
Survival Coop Mode unlocked.
Survival Mode unlocked.
Win a level without getting hit by a block in the Blockits game.
Have more than 4 lives.
Destroy every different Blockits block.
Lose in the first level of the first game.
Complete the tutorial, first video game unlocked.
Get a 5 combo streak.
Beat the game.
Get all the stars.
Get a 100 combo streak.
Destroy 5000 clonocells.
Destroy 10000 clonocells.
Kill 500 big clonocells.
Kill 2000 medium clonocells.
Kill 5000 small clonocells.
Survive 3 minutes in Survival Mode.
Survive 5 minutes in Survival Mode.
Survive 10 minutes in Survival Mode.
Summon a magic fairy.
Destroy 10 or more clonocells with a single normal shot.
Get a 30 combo streak with the Eureka gun.
Win a level with the shield active.
Destroy 20 or more clonocells with a single laser shot.
Destroy 20 clonocells while you're immune.
Get a 30 combo streak with the flamethrower.
Destroy 20 clonocells with a bomb.
Get a 30 combo streak with the Havoc gun.
Destroy 2000 Arkadroid blocks.
Save the Wonderland video game.
Win a level without shooting cells in the Wonderland game.
Save the Pillman video game.
Win a level using only two pills in the Pillman game.
Go around a Pillman level 5 times in the same direction.
Save the Snow Sises video game.
Win a level without getting hit by the snow in the Snow Sises game.
Remove the snow from 2000 clonocells in the Snow Sises game.
Save the Kung-Fu Blaster video game.
Win a level without getting hit by a dragon in the Kung-Fu Blaster game.
Destroy 200 Kung-Fu Blaster jars before they explode.
Save the Boing video game.
Win a level without getting hit by the ball in the Boing game.
Win during a draw in the Boing game.
Save the Monkey Gong video game.
Win a level without getting hit by the flames in the Monkey Gong game.
Destroy 1000 platforms in the Monkey Gong game.
Lose all your lives in a Wonderland level due to the axes.
Lose all your lives in a Snow Sises level due to the snowy cells.
Lose all your lives in a Kung-Fu Blaster level due to the dragons.
Lose all your lives in a Boing level due to the ball and rackets.
Lose all your lives in a Monkey Gong level due to the flames.
Die 3 consecutive times in a Pillman level.
Die 3 consecutive times in a Snow Sises level.
Die 3 consecutive times in a Kung-Fu Blaster level.
Die 3 consecutive times in a Boing level.
Die 3 consecutive times in a Monkey Gong level.
Beat all the levels in Hardcore Mode.
Get the second upgrade to the Arcade Gun.
Survive 1 minute in Survival Coop Mode.
Survive 3 minute in Survival Coop Mode.
Survive 5 minute in Survival Coop Mode.
Survive 10 minute in Survival Coop Mode.
Beat the ClonoBoss in Hardcore Mode.
Collect 100 clovers for St. Patrick's Day