A 100% bonus up to €200 can carry €600 of wagering once the deposit and bonus are combined, and that number—not the headline percentage—decides whether the offer fits your bankroll.
Why the Playthrough Number Is the Real Price
Problem: players compare bonus percentages and ignore the multiplier. Cause: the terms usually apply the playthrough to deposit plus bonus, not just the free money. Solution: multiply the total credited amount by the stated multiplier before claiming. A €100 deposit with a €100 bonus at 30x requires €6,000 of qualifying bets; a 35x term on the same balance requires €7,000. The gap is one full buy-in for many low-stakes players.
Game Weighting Changes the Clock
Slots normally contribute 100% toward wagering, while blackjack, roulette, and live dealer tables often contribute 10% or less. Problem: a player spends two hours on roulette and sees little progress. Cause: the contribution table, not the game result, sets the pace. Solution: check the contribution percentages before choosing a game. The contribution table on mero88 is the document to read before opting in; it shows which titles count in full and which are excluded.
Max Bet and Expiry Rules Break More Bonuses Than Losses Do
A common term caps each bet at €5 while a bonus is active. Problem: a player places a €10 spin, wins, and later finds the withdrawal void. Cause: max-bet breaches are treated as bonus abuse even when unintentional. Solution: set a per-spin limit before playing and note the expiry date. A mero8 casino bonus with a seven-day window and 200 required spins demands roughly 29 spins a day; missing that pace can forfeit the remaining balance.
Questions to Ask Before Claiming
Does the playthrough apply to deposit and bonus?
Yes in most cases. If the terms say deposit plus bonus, calculate the multiplier on the larger sum. If they say bonus only, the requirement is lower.
Which games count at 100%?
Look for a listed contribution table. A game missing from the list often contributes nothing, which means hours of play can produce zero progress.
What happens if I withdraw early?
Early withdrawal usually cancels the bonus and any winnings tied to it. Read the forfeiture clause before requesting a payout.
A Simple Pre-Claim Checklist
- Calculate total wagering: (deposit + bonus) × multiplier.
- Check max bet, expiry, and excluded games.
- Confirm the cashout cap and payment method limits.
- Keep a screenshot of the bonus terms before opting in.
The useful question is not whether a bonus looks generous, but whether its rules match the way you actually play.