Highlights
- Quirky underwater theme
- 3 wild symbols and several multipliers
- 25,000 top prize
Contents
Oxygen Slot Overview
Oxygen is an enjoyable game from ELK Studios with a number of nice features. The maximum potential win is quite generous at 25,000x the bet stake, the volatility is medium-high and the RTP is 94%.
Our Oxygen slot overview will provide you with all you need to know about this game.
Theme, Graphics and Sound
The theme of this game is an underwater adventure. It is set on the ocean floor with sunken ships, marine life and corals aplenty. The graphics are great, the symbols are all relevant and there is a nice boldness to the visuals overall.
The soundtrack fits with the general theme and is pleasant enough, if a little repetitive. As in many slots nowadays, the music intensifies when the bonus features are activated.
Oxygen RTP, Volatility and Payout
The Oxygen slot game has a theoretical average RTP of 94%. Oxygen is a medium-volatility game, and the maximum possible total win is 25,000x the bet stake.
How to Play Oxygen
Oxygen is an easy slot to start playing. When the main screen loads, you simply need to click anywhere on the screen to enter the base game.
The current balance is displayed at the bottom left of the screen. The latest or current win is shown in the bottom middle, next to ‘Win’. The current bet size is displayed at the bottom right, next to ‘Bet’.
Please always remember to play responsibly. Gambling can be addictive, so set sensible limits beforehand and make sure to stick to them when playing.
- Click on the stacked coin icon, which is situated at the bottom left above the balance, and select your desired bet stake from the options.
- The minimum bet per spin on this slot is 20p, and this can be increased as desired. This seems to be the most common minimum for online slots these days.
- Click on the main spin button, which is located at the bottom right of the screen, to begin the game.
- To the top left is an icon of three horizontal lines. Clicking this gives you access to the game rules, paytable, other information and also the settings.
How to Win
This slot is played on a grid of six reels by seven rows, and it uses the Cluster Pays mechanism. Wins are formed by landing five or more identical symbols in a connected cluster.
Each time a winning combination lands, the winning symbols are removed and the other symbols tumble until they find a new resting position. New symbols then drop from above to fill the empty gaps. This carries on until no new wins are formed.
- The lowest-paying symbols are the Gems, paying a win multiplier between 0.1x and 20x the bet.
- The next highest-paying symbol is the Green Fish, followed by the Orange Seahorse, then the Pink Fish.
- The Diving Helmet is the highest-paying symbol with a win multiplier of 100x the bet stake for 14.
- The scatter symbol is the word ‘Bonus’ in a treasure chest. Three of these in view trigger the free drops bonus game.
- There is a range of multipliers that appear at random.
- There are three wilds, and each does something different to increase win values.
Wilds
Somewhat unusually, there are three different Wilds in this game. There is a standard wild, the Exploding Wild and the X-Blaster Wild.
The standard wild substitutes for all paying symbols. The Exploding Wild is activated when part of a winning cluster, removing all payout symbols within an X-shaped area around itself. The X-Blaster Wild replaces all paying symbols in an X-shaped area with a different, randomly chosen symbol.
Multipliers
There are several multiplier features, including Bubbles, Strikes, Collectors and Dealers. All of these can significantly boost win values.
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Free Drop Bonus Feature
This feature is triggered when three of the bonus scatter symbols land in view during the base. 10 free drops are awarded initially, and all multiplier values are retained throughout. Extra free drops are awarded if two or more bonus scatter symbols land during the bonus round itself.
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Super Bonus Game
The super bonus game is triggered when three of the bonus scatters and a persistent multiplier feature land together. Again, 10 drops are awarded to start with. During this round, any multipliers are retained but also at least one multiplier feature is maintained.
Disclaimer: Oxygen trademark / license is owned by ELK Studios. This site is not endorsed by ELK Studios.
| Slot Name: | Oxygen |
|---|---|
| Software: | ELK Studios |
| RTP: | 94% |
| Volatility: | Medium volatility |
| Paylines: | 7 |
| Reels: | 6 |
| Min Bet (all lines covered): | £0.20 (GBP) |
| Max Bet: | £4 (GBP) |
| Top Win: | 25000 |
| Features: | Wild Symbol, Scatter Symbol, Multiplier, Free Spins, Expanding Wilds, Clusters, Medium volatility, 6 Reels, Cascading, Colossal Symbols |
| Themes: | Sea life |
| Last Update: | 08/04/2025 |
Available in UK?
|
Yes. ELK Studios have a UKGC license and are allowed to offer their games at UK licensed casinos. |
FAQs
What are the RTP, volatility and maximum win on the Oxygen slot?
The return-to-player (RTP) on the Oxygen slot game is 94%. Oxygen is a medium-volatility game. The maximum possible win in Oxygen is 25,000x the bet stake.
What are the important symbols in the Oxygen slot game?
The scatter symbol is the word ‘Bonus’ in a treasure chest. There are three wild symbols. There is a standard wild, the Exploding Wild and the X-Blaster Wild.
What are the special features of the Oxygen slot game?
Landing three of the bonus scatter symbols in the base game triggers the free drop bonus feature. 10 free drops are awarded initially. Landing three of the bonus scatters and a persistent multiplier at the same time triggers the super bonus game. During this round, 10 free drops are awarded, all multipliers are retained and at least one multiplier feature is maintained.
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| Slot Name: | Oxygen |
|---|---|
| Software: | ELK Studios |
| RTP: | 94% |
| Volatility: | Medium volatility |
| Paylines: | 7 |
| Reels: | 6 |
| Min Bet (all lines covered): | £0.20 (GBP) |
| Max Bet: | £4 (GBP) |
| Top Win: | 25000 |
| Features: | Wild Symbol, Scatter Symbol, Multiplier, Free Spins, Expanding Wilds, Clusters, Medium volatility, 6 Reels, Cascading, Colossal Symbols |
| Themes: | Sea life |
| Last Update: | 08/04/2025 |
|
Available in UK?
|
Yes. ELK Studios have a UKGC license and are allowed to offer their games at UK licensed casinos. |
