Welcome Offer
18+. New Players only. Min. deposit $20. Max bonus of 100% up to $50 on 1st deposit, 25% up to $100 on 2nd deposit and 50% up to $150 on 3rd deposit. Wagering required applies on all bonuses x35. 20 extra spins will be credited daily for 5 days upon first deposit. Extra spins are available on select games only. Any unused spins will expire 24hours after issue. Full T&Cs apply.
Treasures of Osiris

Play Treasures of Osiris slot online at King Casino

*Any values mentioned are subject to change.


Game Rules

  • All symbols pay from left to right on adjacent reels, starting from the leftmost reel.
  • All wins are multiplied by bet per line.
  • All values are expressed as actual wins in coins.
  • When winning on multiple paylines, all wins are added to the total win.
  • Only the highest win is paid per line.
  • The base bet is the bet amount before feature-related increases.

Symbols and Payouts

The paytable adjusts according to the current bet configuration.

  • There are multiple symbols, each with distinct payouts:
    • Key Symbol: 5 – £50.00, 4 – £10.00, 3 – £2.00
    • Owl Symbol: 5 – £40.00, 4 – £8.00, 3 – £2.00
    • Scarab Symbol: 5 – £30.00, 4 – £7.00, 3 – £1.60
    • Urn Symbol: 5 – £24.00, 4 – £6.00, 3 – £1.60
    • A, K: 5 – £20.00, 4 – £5.00, 3 – £1.20
    • Q: 5 – £15.00, 4 – £4.00, 3 – £1.00
    • J, 10: 5 – £10.00, 4 – £3.00/£2.40, 3 – £0.60
  • The WILD symbol substitutes for all symbols except for MONEY and JACKPOT symbols. WILD payouts: 5 – £50.00, 4 – £10.00, 3 – £2.00

Special Symbols

  • JACKPOT Symbol: When hit, it is collected in the JACKPOT pot. It can randomly trigger the Free Spins feature with the JACKPOT modifier active.
  • MONEY Symbol: When hit, it is collected in the MONEY pot. It can randomly trigger the Free Spins feature with the MONEY modifier active. The MONEY symbol can have values of 0.2x, 0.4x, 0.6x, 0.8x, 1x, 2x, 3x, 4x, 5x, 10x, 20x, 50x, or 100x the base bet.
  • WILD Symbol: When hit, it is collected in the WILD pot. It can randomly trigger the Free Spins feature with the WILD modifier active.
  • Collection of symbols and possible triggering of features occur at the end of the spin. If multiple modifiers are triggered, all become active for the subsequent round.

Free Spins

  • The round starts with 10 free spins.
  • Collecting JACKPOT symbols during free spins adds to a meter. MINI, MINOR, MAXI, MAJOR, and GRAND JACKPOTS are awarded when 4, 5, or 6 of the respective symbols are collected.
  • During free spins, random positions may be marked:
    • JACKPOT Modifier Active: Marked positions that receive JACKPOT symbols transform all other marked positions into JACKPOT symbols.
    • MONEY Modifier Active: Marked positions that receive MONEY symbols transform all other marked positions into MONEY symbols, and their values are added and paid.
    • WILD Modifier Active: Marked positions that receive WILD symbols transform all other marked positions into WILD symbols with multipliers applied.
  • Modifiers not active at the start of the round can be triggered and will remain active for the remainder of the round, awarding an additional 5 free spins.
  • During free spins, the feature may be randomly retriggered, awarding 5 additional free spins.
  • Wins from multiple modifiers in the same spin follow this order: JACKPOT transformation, MONEY transformation, WILD transformation, and then payline wins.
  • The maximum potential win amount in free spins is limited to 10,000x the bet.

Special Bets

  • Players have the option to select the bet multiplier:
    • ANTE BET: Bet multiplier 50x, which doubles the chance to trigger the Free Spins feature.
    • Normal Play: Bet multiplier 25x.

Volatility and Paylines

  • The game is high volatility. Wins may be less frequent, but larger wins are possible over a short span.
  • 25 paylines are available.
  • The minimum bet is £0.25 and the maximum bet is £5.00.

RTP (Return to Player)

  • The RTP is shown in-game.

Additional Information

  • Free Spins win is awarded after the round completes.
  • Free Spins total win in the history contains the whole win of the cycle.
  • Malfunction voids all pays and plays.

Treasures of Osiris Demo Mode & Free Play Explained

A common way for players to explore a slot is by searching for a Treasures of Osiris demo or Treasures of Osiris free play option. Since this website does not offer demo or free play versions, we’ve created this page to give you the same type of insight in a different way.

Here, you’ll find a clear outline of how the game is structured, including its main features, bonus rounds, and the role of special symbols.

This overview provides the knowledge you could gain from trying a Treasures of Osiris demo version, making it easier to understand the experience in advance.


*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.