777 Volt GigaBlox (Yggdrasil Gaming) – Review & Demo Play

777 Volt GigaBlox Slot Overview

I stepped into the electrifying world of 777 Volt GigaBlox and it hits that retro look while flirting with old attributes. The classic slot symbol, the number 7, sits at the heart, but GigaBlox does the heavy lifting. Oversized symbols merge reels and can measure up to 6x6 during Free Spins, with at least one GigaBlox landing on every spin. Sparkling Diamonds add shiny money prizes or extra spins, so each press feels charged and ready to spark something tasty.

777 Volt GigaBlox Slot Information

777 Volt GigaBlox runs on 6 reels, 4 rows, and 25 paylines in the base game. In Free Spins, the reels can expand to 6 rows with 40 paylines. To win, I need 3 or more of the same symbol on a payline from left to right, starting on the first reel to the left. Reels merge together when blocks land, and the whole thing works well on mobile, notepads, and desktop, so I can spin wherever I fancy.

The min bet is 0.25 and the max bet is 100. The default RTP sits at 94%, with an alternative setting at 90.5%. Volatility leans mid-high, the max win is capped at 5,000x the bet, and the hit frequency of 27.1% means wins roll in on more than every fourth spin on average. That mix feels balanced for a GigaBlox outing, with bursts coming from features while the base keeps ticking over.

Symbols and Paytable in 777 Volt GigaBlox

The lower-paying symbols are Q, K, and A, paying 2.5x the bet for a 5-of-a-kind. Higher-paying symbols are 7, 77, 777, and the 777 Volt emblem, returning between 7.5x and 15x for five of a kind. The Wild Symbol substitutes all regular symbols, but not the Scatter or Diamond symbols, and it has its own payouts. With GigaBlox, these icons can land in oversized blocks, so lining up a chunky stack of 7s can turn a routine spin into a hefty line hit.

777 Volt GigaBlox Symbols and Paytable

Symbol	Quantity	Payout
	6	x20
	5	x8
	4	x4
	3	x1.6
	6	x12
	5	x6
	4	x2.4
	3	x1
	6	x10
	5	x5
	4	x2
	3	x0.8
	6	x8
	5	x4
	4	x1.6
	3	x0.8
	6	x6
	5	x3
	4	x1.2
	3	x0.6
	6	x2
	5	x1
	4	x0.4
	3	x0.2
	6	x2
	5	x1
	4	x0.4
	3	x0.2
	6	x2
	5	x1
	4	x0.4
	3	x0.2
	6	x2
	5	x1
	4	x0.4
	3	x0.2
	Wild
	6	x20
	5	x8
	4	x4
	3	x1.6

777 Volt GigaBlox Slot Features

GigaBlox are oversized symbols that function like individual icons in formations from 2x2 to 4x4 in the base game, rising up to 6x6 during Free Spins. At least one GigaBlox shows on every spin, and they can be any symbol, including Wilds, Diamond Feature, and Free Spin symbols. The Diamond symbol appears on the fifth reel and always awards a prize, even when partially visible. GigaBlox chests can land too, counting as a single symbol while offering better average prizes.

Free Spins trigger when 5 or more Free Spin Scatters land, and I get a number of spins equal to the count of Scatters. On entry, I pick up 3 to 7 features that stay active for the whole session. Possible picks include Wild High where one high symbol turns wild, a 2x multiplier on all wins, Expanded Reels to 6x6 with more paylines and bigger blocks, Extra Wilds adding 1 to 2 wilds per spin, High Stacks on a high symbol, and Extra Free Spins.

Golden Bet adds an extra feature when Free Spins trigger for an extra cost of 0.20x per bet. I can gamble on entry to push the feature count up to a maximum of eight, though losing means the entire Free Spins session is gone. If patience isn’t my thing, Feature Buy is there at 60x the bet for 5 to 16 Free Spins with 3 to 7 picks, or 100x the bet for an extra feature with 4 to 8 picks.

Final Thoughts on 777 Volt GigaBlox

777 Volt GigaBlox takes me to a retro arcade with a touch of modern casino sparkle. The GigaBlox feature feels like a go big or go home moment, especially when those blocks smash down in Free Spins and open up two extra rows to lift the lines from 25 to 40. The Diamond Feature sprinkles a little extra bling, firing out money prizes up to 500x the bet or throwing me into Free Spins when the timing lines up.

The rhythm works for me: mid-high volatility with a 5,000x cap and a 27.1% hit rate, so the base is lively while the bonuses carry the heavy hits. I like toggling Golden Bet for that extra edge when I’m chasing a big session, and the gamble option is a proper high-risk, high-reward punt. If I’m in a hurry, buying my way into Free Spins keeps the tempo up and puts the feature set front and centre.