Kill some enemies severely injured by another player, while that player is still close to the victim

Make headshots with bow from long range

Kick some enemies into water, fire or a large fall

Kill some enemies while being under whiskey's effect

Pick lit dynamite sticks thrown by other players

Kill a few Steam friends with bare hands

Get some frags while your health is lower than 15 HP

Get some kills with explosive chain reaction effect (their own dynamite kills them)

Kill enemies ending their streak of 7 or more kills

Get some kills shooting at a lit dynamite

Kill enemies while reaching 100% overencumber due weapon accumulation

Kill enemies with dual Colt Walkers

Your first kill in a game among other human players

Complete 25 games

Complete 100 games

Complete 500 games

Drop 15 enemy player's hat by shooting over their heads

Complete the mobile cannon tutorial

Kill 25 enemies while sliding

Kill 25 enemies by kick right after wall-jumping