A few notes on these numbers:
RTP varies by casino. The default is 96%, but operators can set it anywhere from 95.5% to 98%. That is a meaningful range. A 2.5% difference in RTP, compounded over hundreds of rounds, significantly affects your expected losses. Always check the configured RTP at your specific casino. Look for the "?" or "i" icon within the game, or contact customer support directly.
Volatility is unconfirmed. Smartsoft does not publish a formal volatility rating for Balloon. Based on the game's mechanics (potential for very high multipliers, frequent early bursts), the effective volatility is likely high. This means long losing streaks are possible, punctuated by occasional large wins.
No provably fair verification. Balloon does not use a publicly documented provably fair system. No primary source from Smartsoft Gaming describes a specific fairness verification protocol. This means players must rely on the RNG certification of the casino operator rather than independently verifying each round.
For context, industry-standard RNG testing is performed by laboratories such as iTech Labs, GLI (Gaming Laboratories International), and eCOGRA. If the casino you are playing at holds a licence from a reputable regulator like the UKGC or MGA, the RNG will have been tested as part of the licensing process.
The absence of a provably fair system is a legitimate concern, particularly for players coming from crypto casinos where provably fair is standard. It does not mean the game is rigged, but it does mean that trust depends on the casino's licensing and third-party auditing rather than on player-side cryptographic verification.
The RTP discrepancy across sources. Different review sites report different RTP values for Balloon: 96%, 97%, 95.5%, "up to 98%." The most consistent explanation is that Balloon's RTP is operator-configurable, and each casino selects its own setting within the range. There is also no confirmed primary-source evidence that the RTP in demo mode differs from real-money mode. The claim that "demo RTP is higher" is a persistent myth in iGaming, but no independent lab report comparing Balloon's demo and real-money RTP has been published.