Here is the full list of all 45 Infinitode 2 - there are Infinite Tower Defense achievements.
Get 3 stars on first 8 levels of Stage 5
Get 1,000,000 Green Papers
Fail the tutorial
Get 3 stars on first 8 levels of Stage 4
Get 3 stars on first 8 levels of Stage 3
Meet every enemy type
Get 3 stars on first 8 levels of Stage 2
Complete all of the tutorials
Get 3 stars on first 8 levels of Stage 1
Do 500 different research
Complete all of the regular research
Get 1,000,000+ score in one game
Sell any map or reset quests for Prestige
Build a map with 100 tiles
Build a map with 500 tiles
Kill any boss in less than 3 seconds
Unlock all of the trophies
Build 1,000,000 MDPS on any level
Reach wave 300 on any level
Kill 1,000,000 enemies
Kill 10,000,000 enemies
Kill 100 enemies with one Nuke
Copy 5 towers in one game
Have 25 mines on a map
Explode 100 enemies with bullets in one game
Hit one enemy with snowball 5 times
Kill 10 walking enemies with Anti-air tower in one game
Kill 3 enemies with one projectile using Splash's chain reaction
Kill 100 enemies who are being thrown back in one game
Kill 10 enemies with a projectile which flies back in one game
Build 3 more towers than amount of platforms on the map
Apply 10 different buffs on one enemy
Have 11 ball lightnings flying over the map at the same time
Have 100 missiles flying over the map at the same time
Burn 10 enemies in less than a second
Double your Laser's damage using its ultimate
Stun 10 enemies with one shot
Have 3 enemies fight on your side at the same time
Have a tower with 200+ attack speed
Build 125 towers on level "dev"
Have 25 miners at the same time on one map
Kill any boss under "bonus coins" effect
Build one tower but finish the game with 12 towers
Disorientate a spider
Kill any boss with disoriented enemy