Here is the full list of all 10 Quiplash 2 InterLASHional achievements.
Enter the same thing as your opponent
Get a Quiplash! (sweep votes in a 5+-player game)
Win two games in a row with all the same players
Play every Final Round question type
Win a battle with a Safety Quip
Win all battles in Rounds 1 and 2
Win all your battles in Round 1, but lose all your battles in Round 2
Get a Super Quiplash! (all player votes and 90% audience votes in a 5+ player game)
Play an 8-player game
Write a quip that Schmitty actually responds to