Game Rules
- Oxygen 2 features a 6 columns x 7 rows slot with dropping symbols and cluster wins.
- Minimum bet: ยฃ0.20; Maximum bet: ยฃ4.00.
- Each bet is 100 coins.
- Winning cluster requirements: 5 or more identical symbols connected vertically or horizontally. Only the largest cluster of connecting symbols is paid out.
- A game round starts at the selected bet level when the player hits the Spin button.
- Winnings and winning combinations are paid out according to the Paytable.
Winnings and Modes
- Winnings are presented in the player’s currency or in coins. Preference can be changed in Settings.
- The game is played in two modes: normal and bonus mode with free drops.
Wild Symbols and Avalanche Mechanic
- Wild symbols substitute for any payout symbol. Only Wild symbol combinations pay as the highest payout symbol.
- The Avalanche mechanic starts with a symbol drop. Winning symbols are collected; exploded or activated as special wilds to explode later. Remaining symbols fall vertically to rest positions, filling spaces with new symbols. Avalanches continue as long as new winning combinations appear.
Features
- Oxygen Bubbles: Activated when a symbol explodes. Subsequent explosions on the bubble position double the multiplier value. Oxygen bubbles are unaffected by gravity and maintain multiplier values between bonus rounds.
- Multiplier Strike: Random multipliers are placed on the symbol grid, triggering during any symbol drop or free drop.
- Jellyfish Feature: Arriving Jellyfish carrying multipliers stop at symbol positions, adding their multiplier, with existing multipliers combined.
- Octopus Feature: Adds a random selection of available multipliers outside a winning cluster on win, increasing the multiplier.
- Exploding Wild: Triggers when part of a winning cluster. Removes all symbols within two cone-shaped areas, activating Blaster Wilds and Exploding Wilds.
- Super Exploding Wild: Activates all unactivated oxygen bubbles behind exploded symbols.
- Blaster Wild: Replaces symbols with selected symbol in X or Plus-shaped pattern, triggering other Wilds along the pattern.
Symbol Sizes and Bonus Features
- Symbols of size 2×2, 3×3, and 4×4 may appear during symbol drop, counted as 1×1 symbol instances albeit with their multiplier.
- Bonus Game: Triggered by 3 bonus symbols providing 10 free drops, with multipliers and the Octopus persistent between rounds.
- Super Bonus Game: Triggered by 4 bonus symbols, activating Jellyfish every free drop, with potential retriggers for additional free drops.
Game Conclusion
- Free drops bonus ends when no free drops remain or win cap is reached.
- Winnings paid out at end of game round.
- Maximum win in a game round capped at 25,000x the placed bet.
- Game round ends when win cap is reached, with collected wins paid out.
- Bets cannot be changed during a game round.
- Theoretical payout (RTP) is 94.0%.
- In case of malfunction, all bets and wins are void.