Blackjack Mayhem

A friendship-ruiner with a fresh twist on classic blackjack. Blackjack Mayhem is a Player-versus-Player card game where it's your life that's at stake. Use your Mayhem cards to gain the upper hand, sabotage your friends, and spice things up in chaotic ways. Last one standing wins!

At a glance

• Platform: Windows.
• Genres: Casual, Indie, Strategy.
• Release date: Sep 4, 2026.
• Steam user reviews: No user reviews.
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

CDKeyCheap does not sell keys. We track and display prices; every purchase happens on the store you click through to.