Atlantean Gigarise
- RTP
- 96.00%
- Volatility
- HIGH
- Max win
- 4,370×
- Hit freq
- -
- Grid
- -
- Bet
- -
- Released
- 2021-04-16
A playable demo is not available in your region.
Our take
A dynamic 5-reel underwater slot from Yggdrasil with expanding reels (243 to 32,768 ways), 96.00% RTP, and a 4,370× max win.
Atlantean Gigarise submerges players in a mythical undersea world, complete with ancient ruins and schools of fish. Yggdrasil's design philosophy is modular: the slot starts with 3 active rows (243 ways to win) but expands to 8 rows during bonus play, unlocking up to 32,768 winning paths. This mechanic—the namesake GigaRise—drives most of the excitement.
The base game is visually striking: towering pillars frame a 5-reel grid bathed in blue light, and symbol animations are fluid and thematic. Random reels expand in the base game (tier-based via coloured keys), with free spins triggering expanded reel streaks that compound payouts exponentially. The 22.09% hit frequency ensures moderate win frequency, making sessions feel active rather than punishing.
At 96.00% RTP, Atlantean Gigarise sits at the market standard. The 4,370× maximum win (excluding progressive jackpots) is respectable for a mid-volatility slot. The expanding-ways mechanic is genuinely rewarding; when reels fully expand during free spins, payouts scale dramatically. This is a technically proficient release that justifies Yggdrasil's reputation.
Pros
- Expanding-reel mechanic (243→32,768 ways) genuinely transforms payouts during free spins
- 22.09% hit frequency keeps sessions feeling active and engaging
- Visually polished underwater theme with fluid, thematic animations
Cons
- Expanding reels can overwhelm casual players unfamiliar with Megaways-style variance
- 96.00% RTP is standard, not generous compared to premium releases
- Volatility description varies between sources (low-mid vs high)
Math & maxes
Math breakdown
- Volatility score
- 3 / 5
- Max win
- 4,370x the stake
Gameplay video
Videos open in-place on click. Some uploaders disable embedded playback — those will redirect to YouTube.
FAQ
How do the expanding reels work?
Base-game reels randomly expand, unlocking additional ways to win (up to 8 rows and 32,768 ways). During free spins, expanded reels remain locked for the full bonus round, multiplying win potential.
Is the 4,370× max win reliable?
Like all slots, the maximum is a theoretical ceiling—extremely rare. Realistic frequent wins sit far below this. The expanding-reel mechanic can generate substantial mid-range payouts (500–2000×) more often than the absolute cap.
What is this slot's volatility level?
Sources conflict between 'low-mid' and 'high,' but the 22.09% hit frequency suggests moderate volatility. Expect regular wins of modest size with occasional larger payouts during bonus streaks.
Does Atlantean Gigarise have a progressive jackpot?
Yes, the 4,370× max win excludes the progressive jackpot, which can add additional prize pools. Progressive contribution rates vary by operator.
