Tommy Gun Tumble - HTML5 Slot Game (8x5 Pay Anywhere, Multipliers, Bonus Buy, Mobile Ready)

Tommy Gun Tumble is a Prohibition-era (Chicago, 1926) gangster HTML5 slot game in a single HTML file. It plays on an 8×5 grid with pay-anywhere wins, tumbles and multipliers that climb up to ×4096. Artwork is embedded in the file and the noir jazz music and sound effects are synthesised with Web Audio. It uses no framework, no build step and no external image files.

Play credits only (social / demo game). It includes no real-money or payment backend.

Gameplay

• 8×5 grid, pay anywhere: 9+ matching symbols anywhere on the 40 positions win
• Tumbles: winning symbols explode and new ones fall in as long as wins keep forming
• Multiplier badges: each winning spot gets ×2, then ×4, ×8, ×16… up to ×4096. A win is multiplied by the sum of the badges it touches
• Wild Badge symbol
• 3 free-spin bonuses: The Delivery (6 spins), The Showdown (9 spins) and The Big Heist (12 spins). Sticky multipliers during the bonus, pre-placed badges on higher levels, +4 spin retriggers up to 30
• Bonus buy for each level (22× / 67× / 368× the bet)
• Theoretical RTP 96% (simulated), max win 25,000× the bet

Polish

• Title screen, animated vault-door bonus intro, bonus summary, big / mega / epic win screens with coin shower
• Rainy night-street background that changes to a speakeasy back room during free spins
• Autoplay (10 to ∞, stop on bonus), Turbo, spin history, in-game rules and live paytable, separate music and effects volume
• Responsive on desktop, tablet and phone. Space = spin. Respects reduced motion

Easy to customise

Symbol weights, pays, pay scale, scatter / wild odds, bonus buy prices, max win and bet steps sit together at the top of the game script. Every symbol image can be swapped for your own artwork. A README is included.

Requirements

Any modern browser. Works offline (it falls back to system fonts) and can be embedded with an iframe.