Added: Dec 12, 2025
Provider:
Elk Studios
Pirots 4 from Elk Studios blasts the beloved bird band into deep space with a 6×6 grid that can expand as the CollectR-style collectors roam, grab gems, and upgrade symbols while cascades keep the action moving. Wilds, feature symbols, and a Space Bandit duel mechanic add momentum, while the main…
Pirots 4 is the fourth main entry in the Pirots series, launching the chaos into outer space with a grid-based setup, roaming collectors, and a steady stream of modifiers. The developer, Elk Studios, builds the experience around its CollectR-style engine: wins are driven by what the birds collect, how the grid expands, and how upgrades persist into the bonus gameplay.
Players can play the Pirots 4 slot online at casinos that offer Elk Studios games, and it is a particularly good fit for anyone who enjoys slots where “one spin” can evolve into a chain reaction of movement, drops, and feature triggers. With a fixed top potential of 10,000× the bet, Pirots 4 is designed for players who like big targets and do not mind a volatile path to get there.
The Pirots crew trades jungles and deserts for a neon-tinged galaxy: floating gems, cosmic effects, and a space-station grid that visually “opens up” as you unlock more play area. The overall look is playful and cartoonish, but the presentation supports the mechanics—bombs, portals, and feature icons are deliberately readable because the board changes quickly during active rounds.
Audio also leans into momentum. You will notice escalating cues as birds keep collecting, when the grid grows, and when the Space Bandit challenges a bird. It is not a background slot; it is engineered to make every extension of a round feel like progression toward something bigger.
Pirots 4 starts on a 6×6 grid and can expand up to 8×8. Instead of fixed paylines, it uses a cluster/collector approach: birds (collectors) move around the grid to gather adjacent symbols, and wins are tied to those collections rather than left-to-right line hits. As long as at least one bird can continue collecting, the round keeps developing.
When collections stop, symbols drop to fill gaps, new symbols enter, and the board is evaluated again. This structure creates the signature “chain” feeling: a single paid spin can produce multiple collection phases, feature releases, and grid growth before the round finally ends.
The primary pay symbols are colored gems associated with the collectors. These gems can be upgraded in value during gameplay, which matters because collecting higher-level gems is how larger wins are built. Wild symbols also appear and substitute for the colored gems, helping extend collections and keep a round alive when the board begins to fragment.
Alongside standard symbols, Pirots 4 includes a large set of feature icons that can be introduced through its feature-drop system. These feature icons are the real engine of the slot, because they can upgrade gems, transform symbols, reshape the board, or trigger larger events that lead into bonus play.
The defining mechanic is the collector movement. Four bird collectors roam the grid and collect adjacent matching gems (horizontally and vertically), continuing until no more matching connections are available. This is why Pirots 4 often feels “active” even outside the bonus rounds: every time collectors keep moving, you get more collections, more drops, and more chances to trigger modifiers.
The collector mechanic also interacts with feature symbols. When a collector reaches certain feature icons, it can activate effects like upgrades, transformations, or special events that change how the rest of the round plays out. In practical terms, that means you are not just hoping for a win cluster—you are hoping for the right sequence of collector movement and feature timing.
Above the grid, a collection meter tracks what has been gathered during the round. As the meter fills, it can award feature releases—effectively “dropping” new feature icons into the grid to be collected. This is an important pacing tool: longer rounds tend to generate more feature opportunities, which in turn can create even longer rounds.
In Pirots 4, feature drops can introduce a mix of effects, such as gem upgrades, transformations that convert symbols into more favorable colors, and larger board-shifting events. The key takeaway is that the meter is not a passive decoration; it is part of the slot’s economy, and it is one reason why the best outcomes often come from extended collector chains rather than quick, isolated wins.
The space-station framing is more than visual. Corner bombs can detonate to clear areas and expand the available grid. As space-station sections open, the birds gain new routes through the expanded play area, creating more collection paths and more space for features to land.
Expansion also changes the “geometry” of the round. When the grid is larger, it is easier for feature icons to matter because there are more positions where transformations, upgrades, and special events can connect with collectors. In other words, grid growth is not just more squares—it is more potential for collectors to stay active and for the value-upgrade mechanics to stack.
Pirots 4 includes random modifier moments that reposition collectors or change how they interact. Examples include movements that swap collector positions or force collectors into new trajectories, as well as larger clashes that clear areas and send collectors flying through paths to collect additional symbols and trigger icons along the way.
These modifiers matter because they can “save” a round that would otherwise stall. If the board is close to dead, a repositioning or clash can reconnect collectors to valuable gems or to the next feature symbol, effectively turning a near-finish into another long chain of collections.
One of the most distinctive supporting features is Spacecorn, which can help collectors cross empty spaces and reach new symbols. The goal is simple: keep collectors moving, keep the round alive, and create the conditions for larger triggers.
Pirots 4 also includes the Lost in Space coin game, triggered by clearing the entire grid during the Spacecorn feature. Conceptually, this is a coin-style bonus feature where the focus shifts from gem collection to securing coin-based rewards. It is a strong change of pace because it rewards players for achieving a complete clear—a natural “challenge condition” in a collector grid slot.
Alien Invasion introduces the Space Bandit into the round. The Space Bandit collects symbols and can initiate space duels with the birds. The duels are not just visual flair: winning duels increases the Bandit’s multiplier, which can make later collections significantly more valuable.
This is one of the mechanics that can create dramatic swings. A round that begins with modest gem values can escalate if the Bandit multiplier climbs, because subsequent collections have the potential to apply that multiplier at key moments. It also adds a risk-reward element to collector positioning: you want the right symbols and events to appear while the multiplier is building.
The main bonus round is triggered when birds collect three bonus symbols. If one of the collected symbols is a super bonus symbol, the super bonus game is triggered instead. These bonus rounds are designed to feel like a continuation of progress rather than a separate minigame, because key elements persist.
During the bonus round, the grid size, progress on the collection meter, and gem upgrades are persistent. That persistence is strategically important: if you enter the bonus round after a strong base-game buildup (expanded grid, upgraded gem values, and momentum on the meter), you are not “reset” back to zero. The bonus gameplay can therefore amplify what you already built.
From a player perspective, this is where Pirots 4 differs from many traditional free spins formats. The value is not solely in the number of spins; it is in the state of the board and upgrades you carry into the bonus gameplay, plus the chance for additional feature icons to arrive at the right time.
RTP: 94.00%.
Pirots 4 is built around high volatility. The game’s structure explains why: outcomes are driven by collector chains, persistent upgrades, expanding play area, and event-based features that can dramatically change the value of a round. Many spins will be short and tactical, while the best results tend to come from the less frequent moments where multiple mechanics overlap in one extended chain.
Pirots 4 supports a low entry point, with a minimum bet of 0.20 per spin. Commonly listed configurations show bets scaling up to 100 per spin, giving both cautious and high-stakes players room to set their comfort level. If you are learning the slot, the lower end is the sensible place to start because the mechanics are layered and rounds can develop in non-obvious ways.
The maximum win is capped at 10,000× the bet. That ceiling is the reason the slot is frequently discussed as a “big potential” entry in the series: it is not a progressive jackpot model, but a fixed top prize that becomes attainable only when bonus gameplay, upgrades, and multipliers align.
Pirots 4 includes a bonus buy option, allowing players to purchase entry into the bonus gameplay rather than waiting for the natural trigger. This is a high-intensity approach: you exchange a larger upfront cost for more frequent access to the bonus mechanics and the persistent-progress structure that can unlock the slot’s best sequences.
If you choose to use bonus buy, it is still worth understanding the base game first. The collector chains, feature drops, and grid expansion logic are central to how the bonus rounds pay, so going in “blind” can make the bought bonus feel random rather than strategic. A short demo run is usually enough to learn which modifiers extend rounds and which ones tend to accelerate upgrades.
Pirots 4 is built in HTML5 and is designed to run smoothly on modern mobile browsers. The grid remains readable on smaller screens because the most important information is icon-driven: you can quickly see collector positions, corner bombs, and feature symbols without relying on tiny payline markers.
For mobile play, the main practical tip is to slow down during long rounds. Collector movement and feature releases can arrive in quick succession, and it is easy to miss why a round extended or why a bonus symbol mattered. Using a slightly slower spin speed can help you understand the flow, which is valuable if you plan to transition from demo to paid spins.
Pirots 4 rewards familiarity. The slot can look complicated because so many mechanics are layered into a single round: collectors move, the meter fills, features drop, the grid expands, and event triggers can reposition the board. Playing the demo helps you identify the “rhythm” of the game—what a typical short round looks like, what a promising long round looks like, and how bonus symbols tend to arrive.
After a demo session, switching to paid play is a more informed decision. If you like how the collector chains develop and you are comfortable with volatile pacing, you can move on to playing for real money with a clearer sense of what you are buying into.
Pirots 4 is best suited to players who enjoy modern grid mechanics, “one spin can evolve” gameplay, and bonus rounds that feel connected to base-game progress. If you prefer a calm, predictable line-slot cadence, the constant movement and modifiers may feel busy. But if you like watching a round build—especially through upgrades and expanding space—this entry is a strong showcase of the CollectR-style approach.
It also suits players who want a clear ceiling and a clear identity. The 10,000× top potential is straightforward, and the game’s personality is unmistakably Pirots: chaotic, colorful, and built to make the bonus rounds feel like an escalation rather than a reset.
If the collector-grid style clicks with you, try more games from Elk Studios to find similar mechanics with different twists on upgrades, modifiers, and bonus pacing. That is often the fastest way to discover whether you prefer the pure collector focus, heavier multiplier emphasis, or bonus-first formats within the broader catalog.