There is no guide for this game yet. But apparently it is EASY POINTS!

There is a glitch for this game HERE 

Complete Civil War - 25 points

Complete all levels in the Civil War campaign

Complete WW1 - 25 points 

Complete all levels in the WW1 campaign

Complete WW2 - 25 points 

Complete all levels in the WW2 campaign

Secret Mission - 75 points 

Locate and complete the secret mission at the end of the game

Complete Darkest of Days - 100 points 

Complete all levels in the game on normal difficulty or higher

With Chest Hair - 200 points 

Complete all the levels in the game on the highest difficulty

Pistol Upgrade - 100 points 

Fully upgrade all pistol settings

Rifle Upgrade - 100 points 

Fully upgrade all rifle settings

Horse Puncher - 100 points 

Punch a horse in the face, killing it

Ghandi Award - 100 points 

Complete a combat level without using any lethal attacks

Rage Fists - 100 points 

Kill at least 25 NPCs with your bare hands

Bomb Technician - 25 points 

Kill yourself with an explosive device

Tethered Swimming - 25 points

Die of suffocation underwater