Here is the full list of all 14 Intrusion 2 achievements.
Burn enemies
Feed the fish
Get rifle mech to the end
Get sword mech to the end
Find the Relic
Get the stalker trapped
Harpoon mech FTW
Shake Shake
Defeat the MACE
Complete game on high difficulty
Defeat them
Smash enemies
Perform headstomp
Defeat the Grabber