Event
v1.9.131.9.13 Update!
L-grade NEW character "Mammon(Delinquent)" Chance-Up Summon & Nightmare Pass - New Event Story "The Delinquent’s Thief Hunt" - Bug fixed
Steam
What in HELL is Bad?
Also known as What in HELL is Bad?, steam:3294660, what in hell is bad
What in Hell is Bad? is a sinful otome strategy game where seductive devils fight in real-time tower defense battles. Touch, tease, and tempt your way through Hell while commanding the infernal armies—led by seven dangerously handsome devil lords and the 72 devils of Solomon.
Last update
5 Jun 2026
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- April 2026
- 1.9.12 Update!L-grade NEW character "Lucifer(Student)" Chance-Up Summon New Event Story "The Sweetest Test in the World" Limited-time Exchange Shop and more! Bug fixed
- 1.9.11 Update!Please join us in celebrating Belzebub's birthday! - L-grade NEW character "Leviathan(OL)" Chance-Up Summon - New Event Story "Devil Wears an OL Look" - Guess who the little devil is that showed up on April Fools' Day!…
- March 2026
- 1.9.10 Update!L-grade character ""Lucifer(Butler)"" Chance-Up Summon re-run! - Limited exchange shop Open! - Bug fixed
- 1.9.9 Update!L-grade NEW character "Gamigin(Panchira)" Chance-Up Summon - New Event Story "A Baptism for a Nameless Devil" - Bug fixed
- February 2026
- 1.9.8 Update!Celebrate Valentine’s Day with exclusive event! L-grade NEW character ""Satan(Cat)"" Chance-Up Summon New Evolution Reward available for ""Satan(Selfie)"" Bug fixed
- January 2026
- 1.9.7 Update!L-grade character ""Mammon(Attacker)"" Chance-Up Summon re-run! New Evolution Reward available for ""Mammon(Selfie)"" Hell Oh! Talk update (7th-day daily chat added) Bug fixed
- 1.9.6 Update!New L-grade character ""Gabriel(Attacker)"" Nightmare Pass & Chance-Up Summon New Sub Story ""One who walks both Heaven and Hell"" Bug fixed
- December 2025
- 1.9.5 Update!New L-grade character "Asmodeus(Wedding)" Nightmare Pass & Chance-Up Summon New Sub Story "The Christmas Cake and Saint Milk Messiah" Christmas limited Exchange Shop & 7-day Login Bonus and more! Bug fixed
- 1.9.4 Update!New L-grade character "Raphael(Attacker)" Nightmare Pass & Chance-Up Summon Idle animation added for Mammon Bug fixed
- November 2025
- 1.9.3 Update!L-grade character "Juno P. Cruel Orgasm 666"(a.k.a Ppyong) Nightmare Pass & Chance-Up Summon Bug fixed
- October 2025
- 1.9.2 Update!Join us in celebrating the 2nd anniversary of "What in Hell is Bad?"! New L-grade character "Lucifer(Bloodshed)" Nightmare Pass & Chance-Up Summon Bug fixed
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