Crystal Skull RTP & review
by Endorphina
Key facts
| Provider | Endorphina |
|---|---|
| RTP | 93.77% |
| Volatility | High |
| Layout | 5 reels × 3 rows |
| Paylines / ways | 25 |
| Bet range | €0.25 – €75.00 |
Endorphina rates volatility "Medium-High".
Source: Endorphina official game data, checked 2 November 2026.
Crystal Skull overview
Crystal Skull is a high volatility 5-reel, 3-row slot from Endorphina. It pays on 25 lines.
Its RTP is 93.77%, below the 96.07% average of the 3,742 slots in our database. That means a house edge of 6.23%: on average the game keeps about €62.30 of every €1,000 staked.
With high volatility, expect longer runs without much coming back, with bigger wins mostly in the features. Stakes range from €0.25 to €75 per spin, depending on the casino.
We track 241 Endorphina slots, with an average RTP of 95.97%; Crystal Skull is 2.20 points below it.
Like every slot, Crystal Skull pays back less than you stake over time. Play for fun, set a budget before you start, and stop when it's gone.
Crystal Skull FAQ
What is the RTP of Crystal Skull?
Crystal Skull has an RTP of 93.77%, according to Endorphina's official game data.
Is Crystal Skull high volatility?
Crystal Skull is high volatility: expect longer runs without much coming back, with bigger wins mostly in the features.
Who makes Crystal Skull?
Crystal Skull is made by Endorphina.
More Endorphina slots
| Slot | Provider | RTP | Volatility | Max win |
|---|---|---|---|---|
| 100 Zombies | Endorphina | 96.03% | Low | n/a |
| 100 Zombies Dice | Endorphina | 96.03% | Low | n/a |
| 2016 Gladiators | Endorphina | 94.76% | High | n/a |
| 2020 Hit | Endorphina | 96.07% | Low | n/a |
| 2021 Hit | Endorphina | 96.02% | Low | n/a |