This achievements can be unlocked only during summer event (it usualy starts in first week of July).Ringmaster
Achievement description: Kill the "Ring Leader" (Circus Patriarch).
One of the easiest ways to kill patriarch is shown in guide for achievement "Straight Rush".
TODO: Add link to Straight RushSparring with a Master
Achievement description: Kill a Circus Gorefast with a Melee Weapon.
Just kill Circus Gorefast with any melee weapon. Melee weapons are knife, machete,axe (aka fire axe), katana, claymore, chainsaw, scythe, buzzsaw bow... I'm not sure if it works with buzzsaw bow, but since it's berseker weapon, and you can level up using it, I think it works for achievements too.Assistant Homicide
Achievement description: Kill 2 Circus Stalkers with a Melee weapon to the back in one wave.
Melee weapons are knife, machete,axe (aka fire axe), katana, claymore, chainsaw, scythe, buzzsaw bow... I'm not sure if it works with buzzsaw bow, but since it's berseker weapon, and you can level up using it, I think it works for achievements too. Hit 2 Circus stalkers from behind with any melee weapon in one wave to unlock achievement.Seeing Double
Achievement description: Kill 5 Circus Crawlers with a Bullpup in one wave.
Play as commando buy Bullpup, and kill 5 Circus Crawlers. Easy.Clearing Clown Alley
Achievement description: Kill 5 Circus Bloats in one game.
Join empty server which is running long game (10 waves), and kill 5 Circus bloats.The Big Hunt
Achievement description: Kill a Circus Scrake with a Crossbow.
Crossbow can one shot kill scrake (on headshot of course) on begineer difficulty when used by sharpshooter.Lifting a Dumbell
Achievement description: Kill a Circus Husk with a LAW.
Play demoltions, and when you get enough money buy LAW. Shoot a Circus Husk with it, and achievement will unlock.Small Hands
Achievement description: Kill 3 Circus Clots in a wave with the Lever Action Rifle.
Another simple achievemnt. After you successfully finish wave 1 switch to sharpshooter, and buy Lever Action Rifle. Kill 3 Circus Clots in 2nd wave, and achievement should unlock.Elephant Gun
Achievement description: Land the killing blow on a Circus Fleshpound with a Pistol.
There are two ways to do this:
1. Play as commando so you can see Fleshpound health and shoot him with commando weapon until he's low and then switch to 9mm and finish him off.
2. Play as sharpshooter and shoot Fleshpound with 9mm until he dies.Juggling Act
Achievement description: Drop 5 different Tier 2 weapons in one wave.
Buy and drop any 5 different tier 2 weapons in one wave. Tier 2 weapons are: AK47, Flamethrower, Crossbow, Handcannon, Shotgun, Axe.Windjammer Enthusiast
Achievement description: Survive 10 seconds after being screamed at by a Circus Siren on Hard or above.
Play alone on hard difficulty. Kill all zeds exept Circus siren. Then let her scream and hurt you. Run away from her, and after 10 seconds achievement will unlock.Taking Down the Big Top
Achievement description: Kill 4 Circus Zeds in 1 ZED time chain with a Melee weapon.
The easiest way to unlock this achievement is to pick the berserker perk and wait for ZED time (slow motion). Then kill 4 zeds (before ZED time ends).Burning up the Midway
Achievement description: Kill 10 Circus Clots with a Fire-based weapon.
You have to kill 10 clots with MAC-10, Flamethrower, Flare revolver(s), Trenchgun...Punk'd
Achievement description: Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.
This achievement will unlock once you get 10 Summer Sideshow 2011 achievements (listed above), and win Abusment Park on normal, hard, suicidal, or hell on earth difficulty. You will also get Steampunk Mr. Foster character.
TODO: Add links to achievement for map