Not every release puts a gift-wrapped feature on top of every reel and yet Joker Open’Em! does just that. Developed by Games Global, this slot is all about Joker scatters, upgrade boxes, and chaotic chain reactions once the reels start triggering. It's got that familiar online slots setup on the surface, but beneath it lies a system of modifiers that could slowly stack until they burst into a multipliers-and-symbols frenzy. It’s a bit of a slow burner until the Joker shows up.
Joker Open’Em! uses a classic jester with a nod to stage shows and circus antics. The background looks like a red-and-gold curtain about to unveil a surprise act, and the Joker herself (mask, grin, and all) is right there on the side watching over the game. The boxes above the reels match the showtime feel, giving it the game show atmosphere.
The paytable keeps it simple with familiar iconography and clear values. Here's how the payouts line up:
Symbol | Payouts for 3, 4, and 5 of a kind |
Blue Spade | 0.20x, 0.40x, 2x |
Purple Club | 0.20x, 0.40x, 2x |
Yellow Diamond | 0.20x, 0.40x, 2x |
Red Heart | 0.20x, 0.40x, 2x |
Green Clover | 0.20x, 0.40x, 2x |
Dice | 0.40x, 0.80x, 4x |
Horseshoe | 0.60x, 1.20x, 6x |
Bell | 0.80x, 1.60x, 8x |
Pink Seven | 1x, 2x, 10x |
Wild Diamond | 2x, 4x, 20x |
Wild Symbol (Diamond): Substitutes for all standard symbols and pays up to 20x. Doesn’t replace scatters or other special symbols.
Joker Symbol (Scatter): Appears on reels 1, 2, 4, and 5. Triggers boxes above reels and bonus spins. Landing five triggers the highest possible win.
The red box modifier on reel 1 starts at a 2x multiplier. Every special ‘X’ symbol that lands during the bonus increases this multiplier by +1, up to a cap of 5x. This multiplier is applied to symbols with attached values when collected by the Joker.
On reel 2, the green box holds the adder feature. It starts at 1x and increases by +1 every time a special ‘+’ symbol appears. The Joker collects the total added value when gathering eligible symbols. The maximum potential addition is 5x stake per symbol.
The gold box in the centre is the game’s big-ticket item. Triggering this box awards 19 spins and activates all enhancements at once. Not only that, each enhancement starts upgraded. Multipliers and adders begin at higher values, and extra respins become possible.
The purple box grants symbol upgrade modifiers. Arrow Up symbols raise the value of the lowest-paying symbols, working up to a maximum of five upgrades. These values stay fixed for the duration of the bonus and are potentially collected by the Joker during spins.
The blue box activates respin mechanics via Heart symbols. You start with three lives (represented by Hearts). Every time no new value or upgrade lands, a Heart is lost. The Joker locks in valuable symbols, and the rest respin. The sequence ends when Hearts run out or the grid fills up.
Joker Open’Em! follows a five-reel, 20-line format where symbols pay left to right. Spins in the base game are straightforward, but once a Joker lands, it can trigger the box above its reel. These modifiers only activate during bonus rounds. The bonus round swaps standard paylines for value-based wins and collection mechanics.
If you enjoy feature-stacking or game-show-inspired online slots, here are a few others that take similar ideas in different directions:
Joker Open’Em! has that nice overlap between classic and more contemporary. The reel-top boxes keep the tension up in the base game, even when not much else is happening. The bonus, especially with the gold box activated, has a good range of effects that work well together, though the modifier-heavy setup might feel overly technical to some. Still, for a live game with slot roots, it holds up well.