Here is the full list of all 28 CrocoMars achievements.
Kill a Demon and experience their vengeance.
The fewer the Heads — the fewer the thoughts.
Well... It can be killed too.
It hides somewhere...
You know what to do...
It will be a hard-fought battle.
Put an eye out and enjoy its death.
The only thing to lead the way...
Mars colonization begins...
The first cracker is so tasty.
Everyone will die but you will survive!
Its a pity but he has to be killed.
Use support from Space.
I hope it won't cripple you too much...
A force that is to be discovered!
A way that needs to be made again... perhaps...
You'll know when time comes...
Look into his eyes!
It's such a stupid death...
It seems that you have deceased... Don't worry. Much pain is ahead of you!
Welcome to CrocoMars!