Sniper is my main. I love him, but he needs something a little extra.
AGREE WITH YOU GUYS:
Move his charge shot up to his basic attack, keep perfect reload.
MY TwO CENTS:
This is the extra ability he is lacking, which also fits with his concept:
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HOVER PLATFORM - ~10 sec cool-down. While in mid air the sniper deploys his hover platform. The sniper may remain stationary as long as he pleases. Floating comfortably to line up his boss shots over the heads of all those Parents. The platform disappears when the Sniper moves off the platform, and the ability goes on cool-down once the platform is gone.
This platform allows you to line up your epic boss shots easier; escape shitty situations to take a breather and wait for your Backflip to come off cool-down; save your coop allies with a handy place to stand; grants you the ability to reach chests you wouldn't be able to without a Jetpack, giving you a much needed edge on items acquisition; and making sniper more viable to play and have in your coop team.
(The hover platform could also have a descent rate, slowly lowering to the ground over the duration. Allowing even more skill and versatility when lining up your shots. Most of the time when I play sniper, I am cursing that there isn't a platform at a certain location. Never again if I get to bring my own. I can be proud of my skill, even if eight Parents spawn two inches from my face.)
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SHOT PENETRATION:
Many people complain about how his charge up shot does not penetrate everything in the universe. Perfect Reloads penetrating everything is interesting. However, seeing how easy it is to line up a Perfect Reload, that would be way too powerful.
My suggestion: Utilize his targeting drone (which is already awesome). If the shot is going to hit your "target droned" enemy, it will penetrate all enemies up until the shot connects with your "droned" target, without damage tapering off. Then the usual tapering occurs for all enemies beyond your "target droned" enemy. Reducing the damage for each enemy hit after the "droned" target. This allows the player to utilize more skill, when lining up shots. Skill is what the Sniper is all about, not bongo-jumping up and down, pooping mines.
"Target drone" the slow boss; lure away the mobs with you; backflip; charge up; snipe through the mobs, dealing full damage to the boss and the mobs, allowing you to do what you were meant to do.
(Also, I am pretty sure that the sniper will crit EVERY SINGLE ENEMY in his charged up line, if one enemy in that line is targeted with the drone. I could be wrong though.)