Here is the full list of all 46 Hail to the Chimp achievements worth 1,000 gamerscore.
Kill a character's rival 25 times.
Watch the credits all the way through.
Win a 3-primary election without attacking.
Claim all buttons in a game of Flip-floppers.
Claim all ballot boxes in a game of A Clam in Every Pot.
Win a primary without attacking.
Claim all yard signs in a game of Yard Signs.
Collect your first piece of flair.
Last 60 seconds without attacking or dying.
Last 60 seconds holding 20 or more clams.
Unlock all maps.
Win a game of Front-runner without losing front-runner status.
Become the sole survivor.
Win 10 games after being in 4th place.
Win 10 games by taking 1st place near the end.
Win 10 games while using many curses per game.
Win a multiplayer game on every map.
Win a multiplayer game in every gametype.
Team up with every character.
20 teamups with the player in 4th place.
Win 10 games while teamed up.
Betray a character's rival 25 times.
Win the Ptolemy Recount Challenge.
Win the Daisy Recount Challenge.
Win the Floyd Recount Challenge.
Win the Toshiro Recount Challenge.
Win the Hedwig Recount Challenge.
Win the Bean Recount Challenge.
Win the Moxie Recount Challenge.
Win the Murgatroyd Recount Challenge.
Win the Santo Recount Challenge.
Win the Crackers Recount Challenge.
Win with every character once.
Unlock all campaign ads.
Unlock all commercials.
Unlock all attack ads.
Unlock all debates.
Clear the Ptolemy, Floyd, and Daisy Challenges.
Complete the Toshiro, Hedwig, Bean and Moxie Challenges.
Complete the Murgatroyd and Santo Challenges.
Punch 20 bombs.
Survive pursuit by the Cloud of Scandal for 3 minutes in one game.
Finish the single-player game without losing a primary.
Block 10 attacks in a row.
Finish the single-player game.
Finish all Recount Challenges without losing a primary.