Announcing our flagship game series:
In OVERWHELM: Demon Onslaught players take on the role of survivors, battling back waves of demons using tactical teamwork, custom dice, and unique character powers. With expandable content, cinematic standees, and streamlined survival mechanics, OVERWHELM delivers a tense, replayable experience for 1–4 players.
Also announcing the first OVERWHELM Expansion:
Adding a ton more variety with 4 new Survivors with their own specializations! 8 new unique and terrifying demons led by Lord Meph, the Blackhearted! 3 new game modes, 5 new items and more!
Joyful Madness Games (JMG) is an independent publisher founded in 2025, dedicated to crafting immersive and thematic tabletop experiences. Our first title, OVERWHELM: Demon Onslaught, combines evocative art, unique mechanics, and high replay value.