Most sites describing Mega Joker mention it's a vintage fruit machine featuring a 99% return and a Supermeter feature. That's true as far as it goes. What follows is the Mega Joker pokie rules explained Australia edition — the detailed terms from NetEnt's official game sheet that reviews often overlook, along with a correction for sites that misstate the basic facts.
To start with the consensus you might be aware of: Mega Joker is a traditional 3-reel pokie where the Joker serves as the key symbol, a Supermeter mode allows for re-staking wins, a progressive jackpot is awarded at random, and no bonus rounds or free spins are included. A demo for free play-for-fun is available.
Who made it, and how many reels
NetEnt's Mega Joker came out on 1 October 2008. According to its official game sheet, it is a 3-reel, 3-row, 5-bet-line classic slot that uses fixed bet lines.
This is important since some ranking sites provide incorrect information. One refers to it as a "5-reel, 50-payline Novomatic" slot, while others call it a "5×3, free spins and scatters, up to 15,000x" game. Mega Joker is none of those things. There is no scatter, no wild and no bonus buy — the Supermeter mode, the mystery Joker wins and the progressive jackpot are the only additional mechanics.
The RTP truth
The "99%" claim is genuine, though it depends on certain factors. According to NetEnt's game sheet, the Return to Player varies between 85.28% and 99.00%, and the average historical RTP is 95%.
The 99% rate only applies when you use the maximum 10-coin bet in Supermeter mode. It's much lower for the minimum bet — some sources say around 76.9%, and the base game is closer to 85%. One ranking site in Australia lists the RTP as "97%+", which falls within the range but doesn't explain the mechanics. Basically: the highest figure is a limit, not the standard.
The small print that reviews skip
The provider's rules apply here and can differ across versions. They're worth reading before you ever stake money.
If the game malfunctions
The rules of the game specify: "In the event of malfunction of the gaming hardware/software, all affected game bets and payouts are rendered void and all affected bets refunded." This means a glitch won't award a jackpot it shouldn't have — but it won't keep your stake either. Affected bets are returned.
If your connection drops mid-spin
The game state is always stored. You log back in and pick up exactly where you were if your session is invalidated or dropped — no spin is lost. The game stays "unavailable" until you reload it during a server, network or HTTP error.
Supermeter mode and the transfer threshold
Winning in the base game automatically moves you to the upper reels. In this area, you can wager 20, 40, 100 or 200 coins based on your chosen coin value, and you're able to move credits back to the base game whenever you like.
Detailed reviews gloss over: a base win can only be moved into Supermeter if it stays under 2,000 coins. You must collect any win of 2,000 coins or more. Supermeter has a hard cap of 2,000 coins — once you hit this, the feature stops automatically and returns you to the base game.
The game sheet also notes a quirk: one game round can pay more than the 2,000-coin maximum coinciding win, as a round might consist of several spins.
Mystery Joker wins
Your current bet and where the Joker lands determine these payouts. If you bet 100, a Joker appearing on the middle reel gives a mystery win of between 100 and 2,000 coins; if you bet 20 coins, three Jokers pay a fixed 1,000.
The progressive jackpot
The pool (which has a default seed of €2,000) is funded by 3% of every main-game bet, and a randomly chosen round receives the award. A rule that most reviews overlook is that the jackpot can only be won in the base game, never in Supermeter, and only main-game bets contribute. The quoted hit frequency for the jackpot in the base game is 1 in 50,000.
Playing within limits
NetEnt's tools mandate a "response required" reality check every hour of uninterrupted gaming, displaying your total bets and winnings to date. You have to accept this notice before you can keep playing — a helpful reminder to decide if you should continue.
The Australian legal reality
Promotional sites for the game omit this information. Mega Joker and other real-money online pokies cannot lawfully be offered to a person in Australia. The ACMA enforces the Interactive Gambling Act 2001, which classifies them as a prohibited interactive gambling service.
The law focuses on operators, not players — penalties run up to $360,000 a day for individuals and $1.8 million a day for companies. Since online slots are banned entirely instead of being regulated, no Australian per-spin stake cap exists; the bet levels 1–10 and default coin values (€0.1, €0.2, €1) belong to the provider and aren't licensed for real-money play locally. In contrast, the free demo doesn't break any such rule.