Big Bang 2 — Bonus Features

Big Bang 2's bonus features explained. Check the game rules for detailed mechanics and trigger conditions.

All Features

Expanding Reels

TriggerWinning cascade chains expand the grid. Each successive cascade adds one row to the reels, growing from 5x3 up to 5x10 maximum.

7 Bomb Types

TriggerBomb symbols land randomly on any position during base game or Free Spins. Each of 7 bomb types has a unique effect.

Avalanche Mechanic

TriggerAutomatic after any winning combination. Winning symbols disappear, remaining symbols fall to fill gaps, new symbols cascade from above.

Free Spins + Treasure Prize

TriggerLand 4 or more Scatter symbols anywhere on the grid. 4 = 8 spins, 5 = 10, 6 = 12, 7+ = 15 spins.

Bonus Buy

TriggerPlayer purchase. Costs 75x bet for standard Free Spins entry.

Buy Feature Options

OptionCostRTPAvg ReturnRisk
Bonus Buy100x96.07%~70xHigh

Trigger Probabilities

Base Game

Any bonus trigger~1 in 150-200 spins
Premium featureRare — check game info

Win Milestones

Any paying spin~25-35%
Win over 10x~1 in 40-60 spins
Win over 100x~1 in 800-2,000 spins
Max win (4,300x)Extremely rare

Try the Features in Demo

Test the bonus mechanics for free — no registration needed.

Play Free Demo