7/10 on ELK's scale, 25,000x cap
ELK rates the game 7 out of 10 for volatility, with a 25,000x top win and a base hit frequency of about 33%.
What it means: Small cluster wins are common, but the big payouts need multipliers in free spins.
Slot review · Elk Studios
Oxygen 3 slot: RTP 96.00%, features and what it costs in KSh
Oxygen 3 is the third ELK Studios underwater treasure slot, with cluster pays on a 6×7 grid. Avalanches, random multipliers and 3×3 mega symbols feed a free spins round with rising multipliers.
Below: what a session costs in shillings at its RTP, how the bonus round works and which casinos on our Kenya list carry Elk Studios slots.
Play Oxygen 3
- RTP
- 96.00%
- Volatility
- High
- Reels · paylines
- 6 · –
- Bet range
- 0.20–100
By
Amelia Nguyen
Updated 6 Oct 2026
Short answer
What does Oxygen 3 cost to play?
Oxygen 3 pays back 96.00% of stakes over the long run, a house edge of 4.00%. At KSh 20 a spin, 1,000 spins cost about KSh 800 on average, and KSh 1,000 lasts about 1,250 spins. The top prize is 25,000x the stake, according to Elk Studios. If a casino runs another RTP version, the game's help screen shows it, so check it before you play.
- RTP
- 96.00% Elk Studios
- 1,000 spins at KSh 20
- KSh 800 expected cost
- 1 hour at KSh 20
- KSh 480 600 spins
- Max win
- 25,000x times the stake
Oxygen 3 at a glance
| RTP | 96.00% |
|---|---|
| Volatility | High |
| Reels | 6 |
| Minimum bet | 0.20 |
| Maximum bet | 100 |
| Layout | 6×7 |
| Lines / ways | cluster pays |
| Max win | 25,000x |
| Released | Apr 2026 |
| Themes | Fish |
| Free demo | Yes |
Bets are the studio's own limits in its base currency; each casino sets its own limits. Layout, max win, release date and studio volatility: SlotCatalog, Oxygen 3 (independent slot directory); PariPulse, Oxygen 3 review (independent).
What Oxygen 3 costs per spin
Expected cost = bet × spins × (1 − RTP), at 96.00%.
| Bet per spin | 100 spins | 1,000 spins | 1 hour (600 spins) | vs median 96.01% |
|---|---|---|---|---|
| KSh 10 | KSh 40 | KSh 400 | KSh 240 | +KSh 1 |
| KSh 20 | KSh 80 | KSh 800 | KSh 480 | +KSh 2 |
| KSh 50 | KSh 200 | KSh 2,000 | KSh 1,200 | +KSh 5 |
| KSh 100 | KSh 400 | KSh 4,000 | KSh 2,400 | +KSh 10 |
Volatility
How volatile Oxygen 3 is
Volatility and max win: SlotCatalog, Oxygen 3 (independent slot directory); PariPulse, Oxygen 3 review (independent).
Features
How Oxygen 3 pays
Avalanches
Winning clusters disappear and new symbols fall in, allowing chains of wins on one spin.
Random multipliers and mega symbols
Random multipliers, expanding wilds, sticky symbols and 3×3 mega symbols help build larger clusters.
Free spins
Scatters trigger free spins where multipliers escalate and extra spins can be added.
Buy feature
A buy option offers direct entry to the bonus where permitted.
Features: SlotCatalog, Oxygen 3 (independent slot directory); PariPulse, Oxygen 3 review (independent).
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Where to play Live ranking
Casinos with Elk Studios slots
Every casino here offers this studio's slots
-
1
BC.GAME KSh 3,000,000 + 1 free spin
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
2
22BET KSh 40,000
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- –
22BET review 18+ · T&Cs Apply · Play Responsibly -
3
1Bet KSh 70,000 + 100 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
4
Bacana Play KSh 13,000 + 25 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
5
Play Fortuna KSh 130,000 + 200 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- –
18+ · T&Cs Apply · Play Responsibly -
6
Swiper KSh 70,000 + 200 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
7
Tsars KSh 300,000 + 200 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- –
18+ · T&Cs Apply · Play Responsibly -
8
Casino Infinity KSh 13,000
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
9
CrownPlay KSh 400,000 + 350 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
10
SkyCrown KSh 70,000 + 225 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly
Payment ticks come from each casino's live payment list; a dash means it is not listed, not that it is missing.
FAQ
What is the RTP of Oxygen 3?
The version we list pays back 96.00%, a house edge of 4.00%. At KSh 20 a spin that is an expected cost of about KSh 800 per 1,000 spins. If a casino runs another version, the game's help screen shows it.
How does Oxygen 3 pay?
It uses cluster pays on a 6×7 grid, with avalanches after each win.
What is the max win on Oxygen 3?
The top win is 25,000x the bet.
Can I play Oxygen 3 with M-Pesa?
The casino list on this page shows M-Pesa and Airtel Money from each casino's live payment list. Check the cashier before you deposit, and play only if you are 18 or older.
18+
Responsible gambling
Play slots only if you are 18+ and it stays fun
Set a budget before you spin, keep sessions short and never chase losses. Every cost on this page is an average: one session can end far above or below it.