Here is the full list of all 29 Volcanoids achievements.
Destroy an enemy mining drone
Kill a large drone by making it fall into a lava pool
Get multiple back to back caffeine induced speed boosts
Hit 6 enemies with the Tesla Cannon at the same time
Destroy a large drone with your pickaxe
Pick up a collectible hidden somewhere on the island
Take your first sip of coffee
Destroy a tank by hitting its weak spot
Mine 1000 coal
Kill an enemy with helper drone in an unconventional way
Survive eruption in a cool improvised shelter
Win the game without taking any quest
Win the game in 7 hours or less
Win the game without having more than one power plant at any time
Win the game without having more than one storage module at any time
Have 5 control stations running at the same time
Make drillship as long as possible
Finish the story
Silence three lava sources
Silence two lava sources
Silence one lava source
Kill 100 Cogs
Mine 100 coal
Install drillship segment upgrade
Collect technology component
Kill 10 Cogs
Claim your own drillship