Hacksaw GamingHacksaw Gaming

    Alpha Eagle

    8.0/10
    Release September 2022· Updated August 2026

    Stack'n'Sync copies one reel onto four others, the golden version adds a global multiplier up to x100: 96.26% RTP and a 10,000x ceiling.

    RTP
    96.26%
    Volatility
    High
    Max Win
    10 000x
    Grid
    5x4
    Bonus Buy
    Yes
    5x4, 20 lignes fixesStack'n'Sync : copie d'un rouleau sur 4 autresGolden Stack'n'Sync : multiplicateur global de x2 à x100Tours gratuits : 1 par scatter, jusqu'à 20Eagle Link : respins en deux phasesAchat de bonus sur 4 niveaux
    Alpha Eagle
    🎰

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    8.0

    BetsRank Verdict

    Hands-on testing by Alexandre Dubois — bonus tested, multiple sessions

    Alpha Eagle is the second outing for the Stack'n'Sync engine, five months after Buffalo Stack'n'Sync. The idea is still excellent: an S'N'S symbol lands, its entire reel is copied onto up to four others, and the grid fills in one motion with a single symbol type. The result is visually obvious and mathematically brutal — either the sync lands on a high symbol and the spin is enormous, or it lands on a low one and nothing happens. The golden version pushes the logic further by stacking only high symbols and wilds, with a global multiplier from x2 to x100 applied to respin wins. The detail I think is badly calibrated is the free spins: you get one spin per scatter that landed, so three scatters buy you three spins. The cap of 20 matches exactly the 20 positions of a 5x4 grid, which means a complete sync in FS symbols is what it takes to reach it. One rare positive: here the most expensive buy is also the best one. Eagle Link at 200x shows 96.44% RTP against 96.26% for the base game. Structural complaint: Hacksaw no longer publishes a dedicated info page for this 2022 title.

    Strengths

    • +Stack'n'Sync reads instantly on the grid, no guesswork
    • +Global multiplier up to x100 in Golden Stack'n'Sync
    • +The priciest buy carries the game's best RTP at 96.44%
    • +A 2x scouting buy, about as cheap as feature buys get
    • +20 paylines, double what Buffalo Stack'n'Sync offered

    To consider

    • Three scatters buy only three free spins
    • The 20-spin cap demands a complete sync in FS symbols
    • 96.26% base RTP, under the 96.28% Hacksaw median
    • Hacksaw no longer publishes a dedicated info page for the game
    • Volatility 4 out of 5 and a 29.3% hit rate: the dry runs are long

    About Alpha Eagle

    Alpha Eagle, listed by several catalogues under its full title Alpha Eagle Stack'n'Sync, is played on a 5-reel, 4-row grid with 20 fixed paylines. It was released on 22 September 2022, two weeks after Wanted Dead or a Wild and five months after Buffalo Stack'n'Sync, the title that introduced the mechanic.

    The Stack'n'Sync principle is easy to describe and heavy in consequence. An S'N'S symbol lands on the grid; the reel containing it is then copied onto up to four other reels, and those reels are stacked with a single symbol type — normal paying symbols, wilds, or free spin symbols. Respins follow with positions locked. All of the game's variance therefore comes down to one question: which symbol got synced.

    The Golden Stack'n'Sync variant activates on a gold S'N'S symbol. It stacks all five reels exclusively with high-paying symbols and wilds, then applies a global multiplier from x2 to x100 to the wins collected during the respins. It is the only feature in the game capable of turning a full grid into a genuinely large total.

    Free spins trigger on at least 3 scatters during a Stack'n'Sync feature. The award rule is proportional: one free spin per scatter that landed, up to a maximum of 20. That cap of 20 matches exactly the number of positions on a 5x4 grid, which is another way of saying that reaching it requires a complete sync in free spin symbols. Three scatters, conversely, buy only three spins.

    The Eagle Link feature needs 3 Claw scatters and runs in two phases. The first collects sticky Eagle symbols, with a respin counter that resets on every new capture. The second grants 3 final respins during which Golden Eagle symbols add spins, the applied multiplier matching the number of Golden Eagles collected.

    Default RTP is 96.26%, meaning the house keeps €3.74 of every €100 staked. Each of the four buys carries its own value: 96.27% for the Stack'n'Sync FeatureSpins at 2x stake, 96.34% for the S'N'S Spins at 10x, 96.28% for the free spins at 100x and 96.44% for Eagle Link at 200x. Unlike what many titles do, the most expensive option here is also the best rewarded in theory, eighteen hundredths of a point above the base game. None of these buys is available in the United Kingdom.

    Stakes run from €0.10 to €100. The 10,000x ceiling is worth €1,000 at minimum stake, €10,000 at €1 and €1,000,000 at the maximum. The recorded hit rate is 29.3%, roughly one paying spin in three and a half. Hacksaw rates volatility 4 out of 5 in its own catalogue but no longer publishes a detailed info page for this game: the RTP, the paylines, the hit rate and the release date all come from specialist databases rather than from the studio.

    Key Features

    • 5x4 grid with 20 fixed paylines
    • Stack'n'Sync: the S'N'S symbol's reel is copied onto up to 4 other reels
    • Each synced reel stacks a single symbol type only
    • Golden Stack'n'Sync: all 5 reels carry high symbols and wilds exclusively
    • Global multiplier from x2 to x100 on respin wins in the golden version
    • Free spins: one spin per scatter that landed, capped at 20
    • Eagle Link: 3 Claw scatters, sticky Eagle collection then 3 final respins
    • Default RTP of 96.26%, with buys at 96.27%, 96.34%, 96.28% and 96.44%
    • 29.3% hit rate and a volatility Hacksaw rates 4 out of 5
    • Four buys at 2x, 10x, 100x and 200x stake, unavailable in the UK
    💰 Bonus Buy: 2x, 10x, 100x and 200x the stake (4 tiers, unavailable in the UK)

    Alpha Eagle FAQ

    What is the RTP of Alpha Eagle and what does it cost?

    The default setting is 96.

    26%, meaning the house keeps €3. 74 of every €100 staked across a very large number of spins. That sits slightly under the 96. 28% median calculated across the 161 Hacksaw games listed at BetsRank.

    How does the Stack'n'Sync mechanic work?

    An S'N'S symbol lands on the grid.

    The entire reel containing it is then copied onto up to four other reels, and those reels are stacked with a single symbol type. Respins follow with the positions locked in place.

    Which symbols can be synced?

    Three families: normal paying symbols, wilds, or free spin symbols.

    That draw decides what the spin is worth, since a reel synced on a low symbol fills the grid without producing anything of interest.

    What does Golden Stack'n'Sync add?

    It activates on a gold S'N'S symbol and stacks all five reels exclusively with high-paying symbols and wilds.

    A global multiplier between x2 and x100 is then applied to the wins collected during the respins.

    How are the free spins awarded?

    At least 3 scatters are needed during a Stack'n'Sync feature, and you receive one free spin per scatter that landed, up to 20.

    Three scatters therefore award only three spins, which is this feature's weak point.

    Why is the 20-spin cap so hard to reach?

    Because 20 matches exactly the number of positions on a grid of 5 reels and 4 rows.

    Reaching 20 spins therefore requires the sync to have filled the entire grid with free spin symbols, which is the rarest outcome the mechanic can produce.

    How does the Eagle Link feature run?

    Three Claw scatters open it.

    The first phase collects sticky Eagle symbols, with the respin counter resetting on every capture. The second grants 3 final respins where Golden Eagles add spins and set the multiplier that gets applied.

    Which bonus buy gives the best return?

    Eagle Link at 200x stake, with 96.

    44%. That is the highest RTP in the game, eighteen hundredths of a point above the base game. Here, unlike on many titles, paying the most also buys the best theoretical return.

    How much do the four buys cost?

    Stack'n'Sync FeatureSpins at 2x stake, S'N'S Spins at 10x, free spins at 100x and Eagle Link at 200x.

    At a €1 stake that runs from €2 to €200. None of these options is offered in the United Kingdom.

    What is the 10,000x ceiling worth in cash?

    At the €0.

    10 minimum, 10,000x is €1,000. At a €1 stake, €10,000. At the €100 maximum, one million euros. It is the most common ceiling in the Hacksaw catalogue, shared by 86 of its 161 listed games.

    What does Hacksaw actually publish about this game?

    The studio shows Alpha Eagle in its catalogue with a volatility rating of 4 out of 5, but without a dedicated info page.

    The RTP, the 20 paylines, the 29. 3% hit rate and the 22 September 2022 date all come from specialist databases.

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