Here is the full list of all 20 Dollar Dash achievements.
Win an online match with a lead of $100.
Win 5 games or finish 20 games in mode Hit'n'Run (online).
Win one game in Mode Hit'n'Run without beeing knocked out by other players (online).
Use both taunts and win an online match.
Win 5 games or finish 20 games in mode Dollar Dash (online).
Suffer beer damage 10 times in a single match.
Outrun a magpie.
Bounce a nuke with Jelly.
Knock out an opponent with melee attacks.
Complete the Boot Camp.
Steal $1000 in a single match from other players.
Acquire rank Capo.
Acquire rank Boss.
Buy every shop item.
In an online game, hit 3 human players with a single boulder.
Acquire highest rank.
In an online game, deposit a full bag of $1000 at the getaway car.
Win 5 games or finish 20 games in mode Save the Safe (online).
Win a Save the Save match without losing the safe (online).
Win an online game with a custom hat, face & dance.