Here is the full list of all 30 Super Raft Boat Together achievements.
Build 1000 lifetime rafts.
Get 3000 lifetime kills.
Build 200 rafts in a single run.
Get 20 trinkets in a single run.
Loop the game.
Defeat the Super Kraken.
Unlock Beta’s rocket launcher.
Deliver a sailor to their destination.
Get 1000 lifetime kills.
Rescue 5 egg animals.
Kill 300 enemies in a single run.
Build 100 lifetime rafts.
Lose 100 rafts in a single run.
Spend $1000 in a single run.
Get 100 lifetime kills.
Do a run.
Unlock Helveti’s machine gun.
Unlock Chauncy’s slugger.
Unlock Roboto’s laser sniper.
Unlock Helveti’s alternate costume.
Unlock Chauncy’s alternate costume.
Unlock Roboto's alternate costume.
Unlock Beta's alternate costume.
Loop twice in a single run.
Loop three times in a single run.
Do the daily.
Finish Clear Skies without losing a raft and without taking damage.
Build 3000 lifetime rafts.
Play 10 runs.
Play 50 runs.