Here is the full list of all 84 Cobalt achievements.
Kill an enemy with a punched grenade
Complete all speed challenge maps
Win TS-match without dying
Complete survival game without dying
Beat a combat challenge without firing a weapon or throwable
Kill an enemy with a punch to the head while rolling in the air
Wiped the entire opposing team in Team-Strike
Complete all combat challenge maps
Free ten prisoners
Heal two players with one nano dispenser
Kill an enemy with a kicked grenade
Blind four enemies with one flashbang
Win two rounds in a row of Team-Strike with whole team surviving
Win five Team-Strike rounds in a row without dying
Win one round of Team-Strike with whole team surviving
Win two Team-Strike rounds in a row without dying
Win a deathmatch without dying a single time
Protect Bopo in Survival
Finish survival round as brain
Complete survival wave without firing a weapon or throwing a grenade
Reach level 10 dance
Dance to the tune of a radio playing music
Complete combat challenge by only eliminating the targets
Destroy one Radio
Kill five enemies at once
Boost 100 reloads
Dodge ten homing missiles without dying
Find 30 secrets
Buy ten Upgrades
Dodge a homing missile
Kill an enemy with a scoped bullet
Kill ten enemies using physics
Rescue all prisoners in a combat challenge without them recieving any damage
Free one prisoner
Beat a combat challenge with 100% accuracy and 100% health
Perfectly deflect a scoped bullet
Boost one reload
Crack ten Safes
Kill two enemies without touching the ground
Lockpick ten doors
Mine ten blocks
Tame a Sabretooth Hamster
Kill one enemy using physics
Kill an enemy with your feet
Find 15 secrets
Blind one enemy with one flashbang
Kill two enemies at once
Complete a speed challenge under mountainhammer time
Complete a speed challenge under par time
Kill enemy with klonk
Perfectly deflect a bullet
Kill an enemy while rolling
Kill an enemy with a deflected bullet
Kill an enemy with a thrown grenade looking away
Hack one Computer
Buy one Upgrade
Lockpick one door
Find five secrets
Kill two enemies with one bullet
Mine one block
Crack one Safe
Find one secret
Kill 100 enemies using physics
Kill an enemy with a Boomerang boosted by a Force Device
Blind ten enemies with one flashbang
Reach level 50 dance
Kill five enemies without touching the ground
Kill ten enemies without touching the ground
Mine 100 blocks
Win three rounds in a row of Team-Strike with whole team surviving
Hack ten Computers
Hack 100 Computers
Kill four enemies with one bullet
Win four rounds in a row of Team-Strike with whole team surviving
Free 100 prisoners
Unlock all unlocks
Boost five reloads in a row without dying
Kill ten enemies at once
Buy 100 Upgrades
Lockpick 100 doors
Crack 100 Safes
Destroy ten Radios
Destroy 100 Radios
Complete all puzzle challenge maps