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