Here is the full list of all 17 Probably Archery achievements.
Shoot a flag
Hit a target
Just nock an arrow and shoot it. How hard could it be?
Completed all rounds in Berserker
Shoot the small red apple without killing the Apple Head in Don't Miss
Exterminate all 10 eggs in Eggsterminator
Kill 2 onlookers and break the rope in "The Noose"
Hit the bullseye on a target
Fire arrows a cumulative distance of 20 kilometres (that's 12.4274 miles for the metric deprived)
Kill a total of 50 opposing archers in Team Deathmatch
Finish Wave 8 in Horde mode
Score 10 goals in Zoccer while versing other players
Kill 10 opposing players in Zoccer
Kill 50 zombies in Zoccer
Flip a table in Eggsterminator
Make an Apple Head take a sharp wooden shaft to the patella
Hit 3 targets with 3 separate arrows within 3 seconds of eachother