Sky Coins — Slots by 3 Oaks Gaming

Sky Coins

Published Updated
Game Provider
3 Oaks Gaming
Release date
2024-06-20
Type
Slots
Volatility
Medium volatility
Max Win
x500
Min Bet
0.1
Max Bet
60.0
Reels
3
Paylines
1
Bonus features
Hold and Win, Jackpot, Mystery symbols

Sky Coins Slot Review

Sky Coins slot is a bonus-driven 3×3 video slot by 3 Oaks where the base game is all about triggering Hold & Win and chasing four fixed jackpots up to 500×, set in a sky-and-gold theme.

This review covers the key specs, how the middle-row trigger works, and what to expect from Mystery coins, multipliers, and the Sky Lantern Meter. Bets start at $0.10 and go up to $60.

Key information at a glance

GameSky Coins
Provider3 Oaks
Release dateJune 20, 2024
TypeVideo slot
Reels / rows3 / 3
Paylines / ways1 line (middle-row bonus trigger)
VolatilityMedium (reported)
Max winUp to 500× (Grand Jackpot)
Min bet$0.10
Max bet$60
RTPNot specified (varies by casino/version)
Bonus BuyAvailable in some versions (Buy Feature)
ThemeSky, lanterns, blue & gold coins, treasures
Core featuresHold & Win, fixed jackpots, Mystery symbols, multipliers, Collect symbol
RTP note (why you may see different numbers)

Some third-party listings show RTP values around 95.64%–96.5%, but figures can differ by operator configuration and game version. Treat RTP as “varies” unless you can verify it in the in-game info panel at your casino.

What kind of slot is Sky Coins?

Sky Coins is part of 3 Oaks’ bonus-first style of slots: the base game is focused on triggering the Hold & Win round rather than producing regular line wins. If you enjoy compact 3×3 grids, quick spins, and “chase the bonus” pacing, this one fits that niche.

How Sky Coins works in real play

  1. Spin the 3×3 grid and look for Bonus symbols building toward the trigger.
  2. When you land the required trigger combination on the middle row, the Hold & Win Bonus starts with respins.
  3. During the bonus, new symbols can reset respins, while special symbols (like multipliers and Collect) can boost the final payout.
  4. Fill the full 3×3 grid to unlock the top fixed jackpot (Grand) for the biggest potential result.

What makes Sky Coins stand out

  • Bonus-only identity: the gameplay loop is built around entering Hold & Win rather than grinding base-game wins.
  • Sticky Bonus symbols: they can remain on the reels to help the bonus trigger.
  • Four fixed jackpots: Mini, Minor, Major, and Grand (up to 500×).
  • Mystery coins: can reveal stronger values (including jackpot outcomes, depending on version).
  • Extra boosters: multipliers and a Collect-style symbol that can scoop up values from the grid during the bonus.

Who will enjoy this slot

  • Players who like Hold & Win bonuses and “fill the grid” targets.
  • Fans of compact 3×3 layouts with fast, simple decision-making.
  • Anyone who prefers fixed-jackpot chasing over long feature lists.
  • Players comfortable with stretches of quiet base-game spins before the bonus hits.
Bankroll tip for bonus-driven slots

Sky Coins can feel “dry” between bonus triggers because the excitement is concentrated in Hold & Win. If you’re playing with a smaller bankroll, consider staying closer to the minimum bet and treating the bonus as the main event rather than expecting steady base-game returns.

Bonus structure and payout profile

The Hold & Win Bonus is the center of the payout profile. You enter the bonus via the middle-row trigger, then play a respin-style round where Bonus symbols stick and new drops refresh the respin counter.

The high moments come from value growth: multipliers can land during the bonus, a Collect-type symbol can accumulate visible values, and Mystery symbols can transform into stronger outcomes. The headline target is the Grand Jackpot (500×), typically tied to filling the full 3×3 grid.

Two similar slots to compare

SlotWhy it’s similarMain difference
Lamp of Wonder3×3, single-payline, bonus-focused “Hit the Bonus” style with Hold & Win and fixed jackpots.Different trigger details and a separate themed presentation built around the Lamp meter and bonus progression.
Coin Up: LightningCompact coin theme with a bonus-first loop and a “fill the grid” chase vibe.Different booster set and pacing; some versions let you play with multiple paylines up to 3.

How we evaluate slots like Sky Coins

  • Clarity of rules: how easy it is to understand the trigger and bonus flow.
  • Volatility reality: whether outcomes feel consistent with the stated volatility.
  • Bet range practicality: can both low-stake and higher-stake players participate.
  • Feature value: do boosters (Mystery, multipliers, Collect) meaningfully change results.
  • Transparency: whether RTP and key limits are clearly shown in-game.

Responsible play note

Slots are entertainment with real risk. If you feel you’re chasing losses or playing longer than intended, take a break and use safer-play tools. Learn more on our Responsible Gambling page.

Written by
Casino content researchers and editors preparing structured reviews, payment guides, provider pages, slot reviews and responsible gambling notes.
Editorial TeamFact CheckedResponsible Gambling
Reviewed by Tommy Reimers
Reviewed by
Tommy Reimers
Founder & Editor-in-Chief @ Search-Casino. Reviews editorial standards, casino rating logic and responsible gambling coverage.
E-E-A-TCasino ReviewsEditorial Review
18+Information only. Always gamble responsibly and check casino terms before playing. Read our Responsible Gambling guidance.
Does Sky Coins pay in the base game?

Sky Coins is designed as a bonus-focused slot. The core goal of the base game is to trigger the Hold & Win feature, where the main payouts are concentrated.

How do you trigger the Hold & Win Bonus in Sky Coins?

The bonus is triggered by landing the required set of symbols on the middle row. After that, you enter a respin-style round where symbols stick and new drops can refresh respins.

What is the maximum win in Sky Coins?

The top advertised outcome is tied to the Grand fixed jackpot, shown as 500×. Achieving it typically depends on filling the entire 3×3 grid during the Hold & Win bonus.

Is there a Bonus Buy feature in Sky Coins?

Some versions list a Buy Feature, but availability can depend on the casino and local rules. If you don’t see it in the game menu, it may be disabled for your session.