Designed by Espresso Games, the Mad 4 Halloween slot is a Halloween themed slot machine that is available to play online for free. Our Halloween slot game review looks at this popular Microgaming title, from reel mechanics to payouts. This is a simple spooky-themed slot machine game. Just select your bet size and click 'spin' to start gameplay. Halloween Jack · 4. Acula – Play at SlotsandCasino. Roll as many times as you want and see if you get scarily lucky. Game Type. Best Halloween Slots · 1. Dark King: Forbidden Riches · 5. Slots. Grab a bonus and face off against Michael Myers! More Halloween Slots to Play Online · Spooky Wins – Play at Las Atlantis · Moon Bitten – Play at BetUS · Dr. Helloween · 3. %. Rise of the Dead?. Defeat the witch and go play a prank on your neighbors in Mad 4 Halloween, a fun and familiar video slot game carefully designed by Espresso. Mad 4 Halloween. House of Doom · 2. Control Halloween Slot Machine is simple and straightforward. The game boasts simple rules. Look out for winning combinations. Halloween Slots - Play Online for Free or Real Money. Try Mad 4 Halloween slot online for free in demo mode with no download or no registration required. No real money is involved. This title was released on 20/10/ by Espresso Games provider and it features simple gameplay and some exciting bonuses and neat graphics. Return to player.