Update:
Sniper rifle has been made slightly stronger
Perk costs have been reduced slightly
When you level up you get a little more Perk Points
Killing enemies now gives you slightly more Perk Points
Source: Steam Community (opens in a new tab)
Update:
Sniper rifle has been made slightly stronger
Perk costs have been reduced slightly
When you level up you get a little more Perk Points
Killing enemies now gives you slightly more Perk Points