?
Mayhem

Mayhem

Bet9ja Tech
4.2 ★★★★★★★★★★ 202K reviews 5M+ Downloads 18+ Rated for 18+
Contains ads In-app purchases
Install Play Protect
M
M
M

About this app

About Mayhem

Online gambling more broadly remains illegal, with no sign of legalisation in either the short or long term. If anything, the government appears to be moving further away from the activity, and is actively considering website blocking to prevent illegal gambling in the country.

But through its love of pachinko, social gaming in Japan offers a strikingly different story.

Across some 8,000 pachinko parlours in Japan, machines filled with metallic balls fill expansive spaces, similar to slot machines on a casino floor. Winning balls are tallied and exchanged for non-cash prizes at the parlour, which can then be taken to nearby third-party exchange outlets for cash.

What is Mayhem?

The commercial profile stays within conventional bounds. The game serves up a maximum win of ×5,000, with a 97% RTP and medium-high volatility. A layered Buy Bonus menu sits on top of the base engine, offering variations of the Free Spins round rather than a separate headline mechanic.

The most distinctive product choice is presentational. Chicken and Johnny Cash are brought to life with voiced exchanges between the two characters, a detail BGaming describes as an industry-first for the studio and one aimed squarely at retention rather than math.

The clearest read on Johnny vs Chicken is this. BGaming is starting to treat its characters as reusable brand assets that can be moved between games. That’s a meaningful shift for a studio, because it turns individual hit titles into a connected roster rather than one-off releases.

About Mayhem

In fact, behind those brands, a whole new sector is taking shape. Data and streaming suppliers, specialist market makers and technology companies are quickly invading the space.

The investment banking and capital markets firm Jefferies said in a September report that sports had become prediction markets’ “most important liquidity driver”, with combo and parlay-style contracts accounting for an increasing share of activity. But the analysts cautioned that prediction markets are scale businesses with relatively low revenue yields, leaving their economics dependent on sustained liquidity, engagement and trading activity.

James Monk, founder of sports data and streaming provider Catalist Sports, has witnessed that dependence directly. Catalist supplies ITF tennis data to Kalshi and Polymarket and has an exclusive US sports-streaming agreement with Kalshi.

App info

Updated onAug 16, 2026
Size41 MB
Installs5M++
Current Version4.7.9
Requires Android5.0 and up
Content RatingRated for 18+
Interactive ElementsUsers Interact
Released onSep 13, 2023
Offered byBet9ja Tech
10 Sparkling Crown10 Kings