Here is the full list of all 57 ID-EGO achievements.
Kill 10 enemies with the melee weapon
Kill 20 enemies with the pistol
Kill an enemy with the melee weapon
Hit all targets with the pistol
Complete the basic training
Complete the orientation mission in under 7 minutes
Complete the saboteur mission in under 15 minutes
Complete the anti-fortification mission in under 5 minutes
Complete the eggsterminator mission down planetside in under 20 minutes
Find and pick up the machinegun
Find and pick up the energy rifle
Find and pick up the raygun
Complete ID-EGO on the easy difficulty
Complete ID-EGO on the normal difficulty
Complete ID-EGO on the hard difficulty
Complete ID-EGO on the insane difficulty
Heal 100 healthpoints at the same bio-pod
Heal 500 healthpoints at the same bio-pd
Find a hidden secrets
Kill 50 enemies with the pistol
Kill 150 enemies with the pistol
Get 10 kills with grenades
Get 20 kills with grenades
Get 100 kills with grenades
Kill 25 enemies with the machinegun
Kill 75 enemies with the machinegun
Kill 200 enemies with the machinegun
Kill 25 enemies with the energy rifle
Kill 75 enemies with the energy rifle
Kill 200 enemies with the energy rifle
Kill 50 enemies with the melee weapon
Kill 15 enemies with the raygun
Kill 30 enemies with the raygun
Kill 90 enemies with the raygun
Kill 40 humanoid enemies
Kill 80 humanoid enemies
Kill 400 humanoid enemies
Destroy 10 mechanical enemies
Destroy 20 mechanical enemies
Destroy 100 mechanical enemies
Kill 20 monsters
Kill 40 monsters
Kill 200 monsters
Kill "Dr Stein" during lobby invasion
Kill "Captain Gunnar"
Destroy the electrical mech "Lightningforce"
Kill "Big Mom"
Destroy the "Omega-Turret"
Find the hidden area inside the lobby
Kill 20 snipers planetside in a single map playthrough on hard or insane
Kill 50 snipers planetside in a single map playthrough on hard or insane
Find the hidden area down planetside in the old military base
Find the hidden area in the anti-fortification mission area
Find the hidden area in the saboteur mission area
Find the hidden area in the omega mission area
Clear a path through the cargo using the crane
Successfully solve a circuit board puzzle to open a door