7x7 Thor

7x7 Thor Overview

7x7 Thor is a pay-anywhere slot published by Yggdrasil with a 94% RTP and a high volatility rating. It was released on 27 March 2025.

No maximum win is published for this title and we have not invented one. All figures below were read from demo play at 10.00 and 8.00 total bets.

The demo is served from 4ThePlayer’s own lobby and the studio’s logo sits in the bottom-left corner of every spin, so this is one of the third-party titles that reach the casinos through Yggdrasil’s platform.

Thor Under the Northern Lights

The frame stands on a snowfield in front of a mountain range under the aurora – green and violet curtains across a night sky – and the whole scene is painted rather than rendered.

Thor himself stands outside the frame on the left, in gold and blue armour with the hammer resting against his shoulder. He watches the reels and does not appear on them.

The symbol set is Freya, a grey wolf, a longship, a green shield with crossed axes, a drinking horn and coloured rune gems in red, blue, green and purple.

Pay Anywhere, From Seven Up

There are no lines. The paytable has three bands and the smallest of them is seven symbols: 7–9, 10–11 and 12+, counted anywhere on the grid.

At the 8.00 stake Freya leads on 800.00 for twelve or more, 160.00 for ten or eleven and 64.00 for seven to nine. That top figure is 100x the stake.

Below her the wolf pays 240.00 at the top band (30x), the longship 160.00 (20x), the shield 96.00 (12x), the horn 80.00 (10x) and the red rune 64.00 (8x).

The band structure matters more than the symbol ranking here. Freya pays 64.00 for seven and 800.00 for twelve – twelve and a half times more for five extra symbols. Every symbol in the table has the same shape.

The Thunder Reels

The game’s own mechanic is written into the artwork: certain columns are wrapped in blue electricity, and those are the Thunder Reels – they expand, which is why the grid is not always the same shape from spin to spin.

Base results are small and steady: 16.00 on a 10.00 stake (1.6x) from a grid of longships and rune gems, and 9.60 on the same stake (under 1x) from a grid of hammers and blue runes.

Three Prices, Three Promises

The BUY FEATURE screen offers three tickets, and unusually it tells you what each one guarantees rather than just naming it.

ASGARD FREE SPINS at a total bet of 680.00 – instantly trigger a free spins bonus. MULTIPLIER SPIN at 1,000.00 – trigger a guaranteed multiplier win. SUPER MULTIPLIER SPIN at 1,600.00 – a guaranteed multiplier win of at least 10x.

Against the 8.00 bet per spin printed at the foot of that screen, those are 85x, 125x and 200x. Note which is cheapest: the whole free-spins round costs less than a single guaranteed multiplier spin.

The bonus symbol is Thor’s hammer with BONUS printed across it, and the purchase plays out as a spin that lands them rather than jumping straight to the round – one capture shows three of them paying 20.00 on their own.

Twelve Free Spins, and the Rules in Plain Words

The award screen states both mechanics without jargon: YOU WON 12 FREE SPINS, then COLLECT MULTIPLIERS TO INCREASE SUBSEQUENT WINS! and THUNDER REELS STAY EXPANDED ON ALL REMAINING SPINS!

That second line is the important one. In the base game the expansion lasts a spin; inside the round it is permanent for the rest of the round, so every spin after the first is played on the larger grid.

What the Multiplier Did

This is the part worth reading twice. A shield-shaped badge to the right of the frame holds the running multiplier, with the spins counter beneath it. With ten spins left the badge is still blank and the win field reads 29.60.

With seven left the badge reads x4, an x6 tile is sitting on the grid, and the field has reached 116.00 – 14.5x the stake.

With four left the badge reads x136. Not x14, not x36 – x136, and the win field has jumped to 2,264.00, which is 283x the 8.00 stake.

Three spins of collecting took the multiplier from four to a hundred and thirty-six. Whatever the individual clusters are worth – the readout in that same capture shows a cluster of seven paying 2.40 – the badge is what decides the round.

What the Ticket Returned

The balances make the arithmetic exact. Before the purchase: 844.00. Immediately after: 164.00. The difference is 680.00, the Asgard price, to the cent.

It stays at 164.00 through every free spin – the round is paid for, nothing more is charged – and the capture after it finishes reads 2,430.40, with the win field showing 2,266.40.

So a 680.00 ticket returned 2,266.40. That is 3.3 times the purchase price, and 283x the base stake. It is the best bought round in any of these batches.

A 94% Return

The return needs stating plainly: 94% is low, and it is paired with a high volatility rating. The earlier balances – 884.40, then 832.80 – show the ordinary game grinding down between features.

Who Should Play It

7x7 Thor is for players who want a pay-anywhere grid where the bonus round genuinely changes the game rather than repeating it. The Thunder Reels staying expanded, a compounding multiplier badge that reached x136 in our captures, and a buy screen that states what each ticket guarantees are all strong points, and the aurora artwork is among the best in these batches.

The reservations are the 94% return, the absence of a published maximum win, and a base game where the best capture paid 1.6x. Everything here is in the round, and the cheapest route to it still costs 85x.

Where to Play 7x7 Thor

You can try this game on MrJones Online Casino. There’s a unique casino bonus offer of 300% up to £1200 for a limited time.

All six of our partner casinos also carry 7x7 Zeus alongside it, and an unrelated 7x7 Fruity Shots from EGT Digital, so check the name before you launch. 7x7 Thor was listed under Yggdrasil in all six libraries when we checked on 22 September 2026.