Here is the full list of all 22 iLLANG achievements.
Play 10 Games
Earn 10,000 Golds
Earn 50,000 Golds
Earn Usami Character
Earn Honoka Character
Earn Jin Character
Earn Kaito Character
Earn Dakki Character
Earn Souta Character
Earn Seoa Character
Earn Harumi Character
Earn Neru Character
Earn Akira Character
Earn Yagami Character
Earn Kyupi Character
Earn Kira Character
Earn Mio Character
Earn Ema Character
Earn Rin Character
Earn Asahi Character
Earn Chaju Character
Earn Tanuki Character