Modern Era

Skill-Based Amusement Machines (Gray Machines)

The rise of gray machines and the blurring line between video poker, skill games, and regulated gambling.

The Rise of Skill-Based Amusement Machines (Gray Machines)

The proliferation of "Gray Machines" (Coin-Operated Amusement Machines) represents one of the most contentious developments in modern gaming. These devices operate in a legal gray area by incorporating mandatory skill elements to bypass traditional gambling definitions.

Traditional gambling requires three elements:

  • Consideration (money wagered)
  • Chance (random outcome)
  • Prize (money or value received)
  • Gray machines attempt to replace chance with skill, arguing they are amusement devices rather than gambling machines.

    Key Mechanics

    Pre-Reveal

    Unlike traditional video poker where you see cards after betting, gray machines show the outcome before the bet:

  • Machine displays the game result
  • Player sees what they would win (or lose)
  • Player decides whether to wager
  • If yes, the pre-revealed outcome pays out
  • This inverts the standard gambling model—you know the result before risking money.

    Nudge/Swap

    Players must manually complete winning patterns:

  • Symbols appear misaligned
  • Player uses skill to align them
  • Failure to align correctly reduces payout
  • The argument: if skill determines the final outcome, it's not gambling.

    Pace-O-Matic: The Market Leader

    Pace-O-Matic (POM) has emerged as the most significant player in this space:

    POM has successfully argued in multiple courts that:

  • Their games require genuine skill (memory, pattern recognition)
  • Skill predominates over chance
  • The games are therefore amusement devices, not gambling
  • Game Types

    POM machines feature skill challenges including:

  • Simon Says memory sequences
  • Manual pattern alignment
  • Timed matching games
  • Strategic decision-making elements
  • Technical Differences

    Gray machines differ technically from regulated video poker:

    AspectRegulated VPGray MachinesHardwarePurpose-built gaming devicesOften PC-basedProtocolSAS/G2S integrationProprietary systemsTestingGLI/BMM certificationLimited or noneTrackingCentralized casino systemsIndependent

    The lack of SAS (Slot Accounting System) integration means these machines operate outside casino floor management systems.

    The Shadow Economy

    Gray machines have created a massive semi-regulated economy:

    Distribution

  • Convenience stores
  • Truck stops
  • Bars and restaurants
  • Social clubs
  • Laundromats
  • Revenue Scale

    Industry estimates suggest billions in annual revenue across:

  • Pennsylvania
  • Virginia
  • Texas
  • Georgia
  • And dozens of other states
  • Regulatory Battles

    The legal status of gray machines varies dramatically by jurisdiction:

    States Allowing

    Some states have explicitly permitted skill games or created regulatory frameworks for them.

    States Banning

    Others have banned them outright, arguing they are gambling devices regardless of skill elements.

    Many states have ongoing litigation, with machines operating while courts decide their fate.

    Divergence from Video Poker

    Gray machines represent a philosophical divergence from traditional video poker:

    Traditional Video Poker

  • Transparent mathematics
  • Known probabilities
  • Skill through optimal strategy
  • Regulated and tested
  • Gray Machines

  • Skill through physical/mental challenges
  • Pre-reveal reduces chance element
  • Regulatory arbitrage
  • Limited testing standards
  • Industry Response

    The regulated gaming industry has pushed back against gray machines:

    AGA Opposition

    The American Gaming Association has labeled gray machines as:

  • "Illegal gambling devices"
  • Operating without consumer protections
  • Avoiding taxation and regulation
  • Predatory toward vulnerable populations
  • Casinos and gaming companies have funded legal challenges and lobbying against gray machines in multiple states.

    Player Implications

    For players considering gray machines:

    Potential Concerns

  • No regulatory oversight of fairness
  • Unknown RTP percentages
  • No player protection mechanisms
  • Potential legal issues depending on jurisdiction
  • The Skill Question

    While operators argue skill predominates, the practical reality is that:

  • House edge still exists
  • Long-term player advantage is unlikely
  • "Skill" may be minimal in practice
  • The Future

    The gray machine phenomenon raises fundamental questions about:

  • How we define gambling
  • Whether skill can eliminate chance
  • The role of regulation in gaming
  • The boundaries between games and gambling
  • As courts and legislatures continue to grapple with these issues, gray machines remain one of the most dynamic—and controversial—sectors in gaming.