Here is the full list of all 14 JermaSlots achievements. It takes around 0-1 hour to unlock all of the achievements.
Get all burgers in the Byeah Minigame
Beat the advanced puzzle
Win 10,000 Baldcoins
Win a Baldcoin Jackpot
Get three Jermas in a Row
Win the JUP minigame
Lose the JUP Minigame
Get three JUPS in a Row
Get three Byeahs in a Row
Defeat Glueman
Get three Gluemans in a Row
Get three Rats in a Row
Give yourself a Boost
Beat the Byeah minigame